Finding the Fourth Proportional to 899,672.08, 1,241,548.68 and 517,691.20
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Solution
The fourth proportional to 899,672.08, 1,241,548.68 and 517,691.20 is: 714,414.55
Step by Step Solution
- Step 1: Write the proportion equation
899,672.08 : 1,241,548.68 = 517,691.20 : x - Step 2: Convert to fraction form
899,672.08/1,241,548.68 = 517,691.20/x - Step 3: Cross multiply
899,672.08x = 1,241,548.68 × 517,691.20 - Step 4: Simplify right side
899,672.08x = 642,738,826,007.62 - Step 5: Solve for x
x = 642,738,826,007.62/899,672.08 - Step 6: Final answer
x = 714,414.55
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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.