Finding the Fourth Proportional to 687,549.18, 1,031,351.61 and 327,534.86
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Solution
The fourth proportional to 687,549.18, 1,031,351.61 and 327,534.86 is: 491,315.55
Step by Step Solution
- Step 1: Write the proportion equation
687,549.18 : 1,031,351.61 = 327,534.86 : x - Step 2: Convert to fraction form
687,549.18/1,031,351.61 = 327,534.86/x - Step 3: Cross multiply
687,549.18x = 1,031,351.61 × 327,534.86 - Step 4: Simplify right side
687,549.18x = 337,803,605,192.13 - Step 5: Solve for x
x = 337,803,605,192.13/687,549.18 - Step 6: Final answer
x = 491,315.55
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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.