Finding the Fourth Proportional to 747,416.27, 1,031,458.47 and 425,118.08
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Solution
The fourth proportional to 747,416.27, 1,031,458.47 and 425,118.08 is: 586,676.61
Step by Step Solution
- Step 1: Write the proportion equation
747,416.27 : 1,031,458.47 = 425,118.08 : x - Step 2: Convert to fraction form
747,416.27/1,031,458.47 = 425,118.08/x - Step 3: Cross multiply
747,416.27x = 1,031,458.47 × 425,118.08 - Step 4: Simplify right side
747,416.27x = 438,491,644,366.14 - Step 5: Solve for x
x = 438,491,644,366.14/747,416.27 - Step 6: Final answer
x = 586,676.61
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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.