Finding the Fourth Proportional to 542,713.80, 814,070.70 and 332,761.80
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Solution
The fourth proportional to 542,713.80, 814,070.70 and 332,761.80 is: 499,142.70
Step by Step Solution
- Step 1: Write the proportion equation
542,713.80 : 814,070.70 = 332,761.80 : x - Step 2: Convert to fraction form
542,713.80/814,070.70 = 332,761.80/x - Step 3: Cross multiply
542,713.80x = 814,070.70 × 332,761.80 - Step 4: Simplify right side
542,713.80x = 270,891,631,459.26 - Step 5: Solve for x
x = 270,891,631,459.26/542,713.80 - Step 6: Final answer
x = 499,142.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.