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Finding the Fourth Proportional to 394,589.80, 591,927.90 and 382,148.20

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Solution

The fourth proportional to 394,589.80, 591,927.90 and 382,148.20 is: 573,264.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,589.80 : 591,927.90 = 382,148.20 : x
  2. Step 2: Convert to fraction form
    394,589.80/591,927.90 = 382,148.20/x
  3. Step 3: Cross multiply
    394,589.80x = 591,927.90 × 382,148.20
  4. Step 4: Simplify right side
    394,589.80x = 226,204,181,514.78
  5. Step 5: Solve for x
    x = 226,204,181,514.78/394,589.80
  6. Step 6: Final answer
    x = 573,264.14

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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.