Finding the Fourth Proportional to 576,377.31, 862,794.36 and 491,346.75
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Solution
The fourth proportional to 576,377.31, 862,794.36 and 491,346.75 is: 735,509.88
Step by Step Solution
- Step 1: Write the proportion equation
576,377.31 : 862,794.36 = 491,346.75 : x - Step 2: Convert to fraction form
576,377.31/862,794.36 = 491,346.75/x - Step 3: Cross multiply
576,377.31x = 862,794.36 × 491,346.75 - Step 4: Simplify right side
576,377.31x = 423,931,204,704.33 - Step 5: Solve for x
x = 423,931,204,704.33/576,377.31 - Step 6: Final answer
x = 735,509.88
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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.