Finding the Fourth Proportional to 709,216.80, 979,363.08 and 527,862.48
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Solution
The fourth proportional to 709,216.80, 979,363.08 and 527,862.48 is: 728,929.47
Step by Step Solution
- Step 1: Write the proportion equation
709,216.80 : 979,363.08 = 527,862.48 : x - Step 2: Convert to fraction form
709,216.80/979,363.08 = 527,862.48/x - Step 3: Cross multiply
709,216.80x = 979,363.08 × 527,862.48 - Step 4: Simplify right side
709,216.80x = 516,969,024,229.24 - Step 5: Solve for x
x = 516,969,024,229.24/709,216.80 - Step 6: Final answer
x = 728,929.47
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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.