Finding the Fourth Proportional to 687,484.19, 1,031,254.23 and 327,469.97
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Solution
The fourth proportional to 687,484.19, 1,031,254.23 and 327,469.97 is: 491,218.27
Step by Step Solution
- Step 1: Write the proportion equation
687,484.19 : 1,031,254.23 = 327,469.97 : x - Step 2: Convert to fraction form
687,484.19/1,031,254.23 = 327,469.97/x - Step 3: Cross multiply
687,484.19x = 1,031,254.23 × 327,469.97 - Step 4: Simplify right side
687,484.19x = 337,704,791,760.47 - Step 5: Solve for x
x = 337,704,791,760.47/687,484.19 - Step 6: Final answer
x = 491,218.27
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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.