\[4x - первое\ число;\ \ \ \]
\[5x - второе\ число.\]
\[4x + 5x = 441\]
\[9x = 441\ \ \ \ |\ :9\]
\[x = 49\]
\[4x = 4 \cdot 49 = 196\]
\[5x = 5 \cdot 49 = 245\]
\[Ответ:196;\ \ 245.\ \]