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Finding the Fourth Proportional to 440,425.89, 607,788.33 and 239,221.89

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Solution

The fourth proportional to 440,425.89, 607,788.33 and 239,221.89 is: 330,126.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,425.89 : 607,788.33 = 239,221.89 : x
  2. Step 2: Convert to fraction form
    440,425.89/607,788.33 = 239,221.89/x
  3. Step 3: Cross multiply
    440,425.89x = 607,788.33 × 239,221.89
  4. Step 4: Simplify right side
    440,425.89x = 145,396,273,022.54
  5. Step 5: Solve for x
    x = 145,396,273,022.54/440,425.89
  6. Step 6: Final answer
    x = 330,126.54

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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.