Home / 765,109.96-1,147,729.19-232,635.62

Finding the Fourth Proportional to 765,109.96, 1,147,729.19 and 232,635.62

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Solution

The fourth proportional to 765,109.96, 1,147,729.19 and 232,635.62 is: 348,972.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,109.96 : 1,147,729.19 = 232,635.62 : x
  2. Step 2: Convert to fraction form
    765,109.96/1,147,729.19 = 232,635.62/x
  3. Step 3: Cross multiply
    765,109.96x = 1,147,729.19 × 232,635.62
  4. Step 4: Simplify right side
    765,109.96x = 267,002,691,707.75
  5. Step 5: Solve for x
    x = 267,002,691,707.75/765,109.96
  6. Step 6: Final answer
    x = 348,972.97

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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.