Finding the Fourth Proportional to 997,711.68, 1,376,839.98 and 545,002.68
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Solution
The fourth proportional to 997,711.68, 1,376,839.98 and 545,002.68 is: 752,102.53
Step by Step Solution
- Step 1: Write the proportion equation
997,711.68 : 1,376,839.98 = 545,002.68 : x - Step 2: Convert to fraction form
997,711.68/1,376,839.98 = 545,002.68/x - Step 3: Cross multiply
997,711.68x = 1,376,839.98 × 545,002.68 - Step 4: Simplify right side
997,711.68x = 750,381,479,031.15 - Step 5: Solve for x
x = 750,381,479,031.15/997,711.68 - Step 6: Final answer
x = 752,102.53
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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.