Finding the Fourth Proportional to 747,748.92, 1,031,888.25 and 408,217.17
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Solution
The fourth proportional to 747,748.92, 1,031,888.25 and 408,217.17 is: 563,336.82
Step by Step Solution
- Step 1: Write the proportion equation
747,748.92 : 1,031,888.25 = 408,217.17 : x - Step 2: Convert to fraction form
747,748.92/1,031,888.25 = 408,217.17/x - Step 3: Cross multiply
747,748.92x = 1,031,888.25 × 408,217.17 - Step 4: Simplify right side
747,748.92x = 421,234,501,171.25 - Step 5: Solve for x
x = 421,234,501,171.25/747,748.92 - Step 6: Final answer
x = 563,336.82
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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.