Finding the Fourth Proportional to 652,870.68, 977,404.14 and 485,134.80
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Solution
The fourth proportional to 652,870.68, 977,404.14 and 485,134.80 is: 726,288.95
Step by Step Solution
- Step 1: Write the proportion equation
652,870.68 : 977,404.14 = 485,134.80 : x - Step 2: Convert to fraction form
652,870.68/977,404.14 = 485,134.80/x - Step 3: Cross multiply
652,870.68x = 977,404.14 × 485,134.80 - Step 4: Simplify right side
652,870.68x = 474,172,761,978.07 - Step 5: Solve for x
x = 474,172,761,978.07/652,870.68 - Step 6: Final answer
x = 726,288.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.