Finding the Fourth Proportional to 721,337.26, 995,437.93 and 394,647.18
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Solution
The fourth proportional to 721,337.26, 995,437.93 and 394,647.18 is: 544,609.01
Step by Step Solution
- Step 1: Write the proportion equation
721,337.26 : 995,437.93 = 394,647.18 : x - Step 2: Convert to fraction form
721,337.26/995,437.93 = 394,647.18/x - Step 3: Cross multiply
721,337.26x = 995,437.93 × 394,647.18 - Step 4: Simplify right side
721,337.26x = 392,846,770,952.92 - Step 5: Solve for x
x = 392,846,770,952.92/721,337.26 - Step 6: Final answer
x = 544,609.01
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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.