Finding the Fourth Proportional to 775,691.91, 1,069,702.61 and 517,579.34
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Solution
The fourth proportional to 775,691.91, 1,069,702.61 and 517,579.34 is: 713,757.56
Step by Step Solution
- Step 1: Write the proportion equation
775,691.91 : 1,069,702.61 = 517,579.34 : x - Step 2: Convert to fraction form
775,691.91/1,069,702.61 = 517,579.34/x - Step 3: Cross multiply
775,691.91x = 1,069,702.61 × 517,579.34 - Step 4: Simplify right side
775,691.91x = 553,655,962,943.67 - Step 5: Solve for x
x = 553,655,962,943.67/775,691.91 - Step 6: Final answer
x = 713,757.56
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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.