Finding the Fourth Proportional to 506,077.51, 698,387.01 and 276,635.71
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Solution
The fourth proportional to 506,077.51, 698,387.01 and 276,635.71 is: 381,757.31
Step by Step Solution
- Step 1: Write the proportion equation
506,077.51 : 698,387.01 = 276,635.71 : x - Step 2: Convert to fraction form
506,077.51/698,387.01 = 276,635.71/x - Step 3: Cross multiply
506,077.51x = 698,387.01 × 276,635.71 - Step 4: Simplify right side
506,077.51x = 193,198,786,366.13 - Step 5: Solve for x
x = 193,198,786,366.13/506,077.51 - Step 6: Final answer
x = 381,757.31
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1.5x scale
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.