Finding the Fourth Proportional to 472,831.92, 708,120.36 and 261,946.80
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Solution
The fourth proportional to 472,831.92, 708,120.36 and 261,946.80 is: 392,295.56
Step by Step Solution
- Step 1: Write the proportion equation
472,831.92 : 708,120.36 = 261,946.80 : x - Step 2: Convert to fraction form
472,831.92/708,120.36 = 261,946.80/x - Step 3: Cross multiply
472,831.92x = 708,120.36 × 261,946.80 - Step 4: Simplify right side
472,831.92x = 185,489,862,316.85 - Step 5: Solve for x
x = 185,489,862,316.85/472,831.92 - Step 6: Final answer
x = 392,295.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.