Finding the Fourth Proportional to 532,387.20, 735,025.95 and 338,904.12
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Solution
The fourth proportional to 532,387.20, 735,025.95 and 338,904.12 is: 467,898.78
Step by Step Solution
- Step 1: Write the proportion equation
532,387.20 : 735,025.95 = 338,904.12 : x - Step 2: Convert to fraction form
532,387.20/735,025.95 = 338,904.12/x - Step 3: Cross multiply
532,387.20x = 735,025.95 × 338,904.12 - Step 4: Simplify right side
532,387.20x = 249,103,322,761.91 - Step 5: Solve for x
x = 249,103,322,761.91/532,387.20 - Step 6: Final answer
x = 467,898.78
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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.