Finding the Fourth Proportional to 527,195.52, 727,539.84 and 288,731.52
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Solution
The fourth proportional to 527,195.52, 727,539.84 and 288,731.52 is: 398,454.99
Step by Step Solution
- Step 1: Write the proportion equation
527,195.52 : 727,539.84 = 288,731.52 : x - Step 2: Convert to fraction form
527,195.52/727,539.84 = 288,731.52/x - Step 3: Cross multiply
527,195.52x = 727,539.84 × 288,731.52 - Step 4: Simplify right side
527,195.52x = 210,063,683,863.76 - Step 5: Solve for x
x = 210,063,683,863.76/527,195.52 - Step 6: Final answer
x = 398,454.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.