Home / 672,418.55-927,937.94-382,030.61

Finding the Fourth Proportional to 672,418.55, 927,937.94 and 382,030.61

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Solution

The fourth proportional to 672,418.55, 927,937.94 and 382,030.61 is: 527,202.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,418.55 : 927,937.94 = 382,030.61 : x
  2. Step 2: Convert to fraction form
    672,418.55/927,937.94 = 382,030.61/x
  3. Step 3: Cross multiply
    672,418.55x = 927,937.94 × 382,030.61
  4. Step 4: Simplify right side
    672,418.55x = 354,500,690,710.50
  5. Step 5: Solve for x
    x = 354,500,690,710.50/672,418.55
  6. Step 6: Final answer
    x = 527,202.43

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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.