Finding the Fourth Proportional to 482,432.07, 664,987.28 and 380,291.07
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Solution
The fourth proportional to 482,432.07, 664,987.28 and 380,291.07 is: 524,195.50
Step by Step Solution
- Step 1: Write the proportion equation
482,432.07 : 664,987.28 = 380,291.07 : x - Step 2: Convert to fraction form
482,432.07/664,987.28 = 380,291.07/x - Step 3: Cross multiply
482,432.07x = 664,987.28 × 380,291.07 - Step 4: Simplify right side
482,432.07x = 252,888,722,346.13 - Step 5: Solve for x
x = 252,888,722,346.13/482,432.07 - Step 6: Final answer
x = 524,195.50
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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.