Home / 765,635.28-1,148,365.38-204,713.52

Finding the Fourth Proportional to 765,635.28, 1,148,365.38 and 204,713.52

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Solution

The fourth proportional to 765,635.28, 1,148,365.38 and 204,713.52 is: 307,046.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,635.28 : 1,148,365.38 = 204,713.52 : x
  2. Step 2: Convert to fraction form
    765,635.28/1,148,365.38 = 204,713.52/x
  3. Step 3: Cross multiply
    765,635.28x = 1,148,365.38 × 204,713.52
  4. Step 4: Simplify right side
    765,635.28x = 235,085,919,185.94
  5. Step 5: Solve for x
    x = 235,085,919,185.94/765,635.28
  6. Step 6: Final answer
    x = 307,046.87

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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.