Finding the Fourth Proportional to 542,250.75, 813,863.97 and 289,747.08
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Solution
The fourth proportional to 542,250.75, 813,863.97 and 289,747.08 is: 434,881.30
Step by Step Solution
- Step 1: Write the proportion equation
542,250.75 : 813,863.97 = 289,747.08 : x - Step 2: Convert to fraction form
542,250.75/813,863.97 = 289,747.08/x - Step 3: Cross multiply
542,250.75x = 813,863.97 × 289,747.08 - Step 4: Simplify right side
542,250.75x = 235,814,708,824.71 - Step 5: Solve for x
x = 235,814,708,824.71/542,250.75 - Step 6: Final answer
x = 434,881.30
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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.