Finding the Fourth Proportional to 766,831.62, 1,058,231.82 and 444,732.68
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Solution
The fourth proportional to 766,831.62, 1,058,231.82 and 444,732.68 is: 613,733.53
Step by Step Solution
- Step 1: Write the proportion equation
766,831.62 : 1,058,231.82 = 444,732.68 : x - Step 2: Convert to fraction form
766,831.62/1,058,231.82 = 444,732.68/x - Step 3: Cross multiply
766,831.62x = 1,058,231.82 × 444,732.68 - Step 4: Simplify right side
766,831.62x = 470,630,273,369.88 - Step 5: Solve for x
x = 470,630,273,369.88/766,831.62 - Step 6: Final answer
x = 613,733.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.