Home / 422,789.76-583,455.56-231,802.70

Finding the Fourth Proportional to 422,789.76, 583,455.56 and 231,802.70

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Solution

The fourth proportional to 422,789.76, 583,455.56 and 231,802.70 is: 319,890.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,789.76 : 583,455.56 = 231,802.70 : x
  2. Step 2: Convert to fraction form
    422,789.76/583,455.56 = 231,802.70/x
  3. Step 3: Cross multiply
    422,789.76x = 583,455.56 × 231,802.70
  4. Step 4: Simplify right side
    422,789.76x = 135,246,570,061.72
  5. Step 5: Solve for x
    x = 135,246,570,061.72/422,789.76
  6. Step 6: Final answer
    x = 319,890.84

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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.