Home / 925,023.12-1,387,773.42-285,312.39

Finding the Fourth Proportional to 925,023.12, 1,387,773.42 and 285,312.39

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Solution

The fourth proportional to 925,023.12, 1,387,773.42 and 285,312.39 is: 428,042.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,023.12 : 1,387,773.42 = 285,312.39 : x
  2. Step 2: Convert to fraction form
    925,023.12/1,387,773.42 = 285,312.39/x
  3. Step 3: Cross multiply
    925,023.12x = 1,387,773.42 × 285,312.39
  4. Step 4: Simplify right side
    925,023.12x = 395,948,951,238.67
  5. Step 5: Solve for x
    x = 395,948,951,238.67/925,023.12
  6. Step 6: Final answer
    x = 428,042.22

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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.