Home / 422,748.11-583,414.75-231,769.55

Finding the Fourth Proportional to 422,748.11, 583,414.75 and 231,769.55

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Solution

The fourth proportional to 422,748.11, 583,414.75 and 231,769.55 is: 319,854.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,748.11 : 583,414.75 = 231,769.55 : x
  2. Step 2: Convert to fraction form
    422,748.11/583,414.75 = 231,769.55/x
  3. Step 3: Cross multiply
    422,748.11x = 583,414.75 × 231,769.55
  4. Step 4: Simplify right side
    422,748.11x = 135,217,775,819.11
  5. Step 5: Solve for x
    x = 135,217,775,819.11/422,748.11
  6. Step 6: Final answer
    x = 319,854.24

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1.5x scale

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.