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Finding the Fourth Proportional to 440,385.33, 660,578 and 124,844.97

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Solution

The fourth proportional to 440,385.33, 660,578 and 124,844.97 is: 187,267.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,385.33 : 660,578 = 124,844.97 : x
  2. Step 2: Convert to fraction form
    440,385.33/660,578 = 124,844.97/x
  3. Step 3: Cross multiply
    440,385.33x = 660,578 × 124,844.97
  4. Step 4: Simplify right side
    440,385.33x = 82,469,840,592.66
  5. Step 5: Solve for x
    x = 82,469,840,592.66/440,385.33
  6. Step 6: Final answer
    x = 187,267.46

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1.5x scale

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.