Finding the Fourth Proportional to 514,951.92, 710,594.46 and 288,553.68
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Solution
The fourth proportional to 514,951.92, 710,594.46 and 288,553.68 is: 398,182.12
Step by Step Solution
- Step 1: Write the proportion equation
514,951.92 : 710,594.46 = 288,553.68 : x - Step 2: Convert to fraction form
514,951.92/710,594.46 = 288,553.68/x - Step 3: Cross multiply
514,951.92x = 710,594.46 × 288,553.68 - Step 4: Simplify right side
514,951.92x = 205,044,646,420.61 - Step 5: Solve for x
x = 205,044,646,420.61/514,951.92 - Step 6: Final answer
x = 398,182.12
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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.