Finding the Fourth Proportional to 747,414.27, 1,031,455.71 and 425,116.08
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Solution
The fourth proportional to 747,414.27, 1,031,455.71 and 425,116.08 is: 586,673.85
Step by Step Solution
- Step 1: Write the proportion equation
747,414.27 : 1,031,455.71 = 425,116.08 : x - Step 2: Convert to fraction form
747,414.27/1,031,455.71 = 425,116.08/x - Step 3: Cross multiply
747,414.27x = 1,031,455.71 × 425,116.08 - Step 4: Simplify right side
747,414.27x = 438,488,408,128.82 - Step 5: Solve for x
x = 438,488,408,128.82/747,414.27 - Step 6: Final answer
x = 586,673.85
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1.5x scale
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.