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Finding the Fourth Proportional to 425,909.44, 587,744.73 and 234,918.73

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Solution

The fourth proportional to 425,909.44, 587,744.73 and 234,918.73 is: 324,182.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,909.44 : 587,744.73 = 234,918.73 : x
  2. Step 2: Convert to fraction form
    425,909.44/587,744.73 = 234,918.73/x
  3. Step 3: Cross multiply
    425,909.44x = 587,744.73 × 234,918.73
  4. Step 4: Simplify right side
    425,909.44x = 138,072,245,535.79
  5. Step 5: Solve for x
    x = 138,072,245,535.79/425,909.44
  6. Step 6: Final answer
    x = 324,182.17

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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.