Finding the Fourth Proportional to 950,717.76, 1,311,777.60 and 542,689.28
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Solution
The fourth proportional to 950,717.76, 1,311,777.60 and 542,689.28 is: 748,789.67
Step by Step Solution
- Step 1: Write the proportion equation
950,717.76 : 1,311,777.60 = 542,689.28 : x - Step 2: Convert to fraction form
950,717.76/1,311,777.60 = 542,689.28/x - Step 3: Cross multiply
950,717.76x = 1,311,777.60 × 542,689.28 - Step 4: Simplify right side
950,717.76x = 711,887,641,264.13 - Step 5: Solve for x
x = 711,887,641,264.13/950,717.76 - Step 6: Final answer
x = 748,789.67
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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.