Finding the Fourth Proportional to 747,745.92, 1,031,884.11 and 408,214.17
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Solution
The fourth proportional to 747,745.92, 1,031,884.11 and 408,214.17 is: 563,332.68
Step by Step Solution
- Step 1: Write the proportion equation
747,745.92 : 1,031,884.11 = 408,214.17 : x - Step 2: Convert to fraction form
747,745.92/1,031,884.11 = 408,214.17/x - Step 3: Cross multiply
747,745.92x = 1,031,884.11 × 408,214.17 - Step 4: Simplify right side
747,745.92x = 421,229,715,499.84 - Step 5: Solve for x
x = 421,229,715,499.84/747,745.92 - Step 6: Final answer
x = 563,332.68
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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.