Finding the Fourth Proportional to 542,481.80, 813,722.70 and 514,833.80
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Solution
The fourth proportional to 542,481.80, 813,722.70 and 514,833.80 is: 772,250.70
Step by Step Solution
- Step 1: Write the proportion equation
542,481.80 : 813,722.70 = 514,833.80 : x - Step 2: Convert to fraction form
542,481.80/813,722.70 = 514,833.80/x - Step 3: Cross multiply
542,481.80x = 813,722.70 × 514,833.80 - Step 4: Simplify right side
542,481.80x = 418,931,949,787.26 - Step 5: Solve for x
x = 418,931,949,787.26/542,481.80 - Step 6: Final answer
x = 772,250.70
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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.