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Finding the Fourth Proportional to 440,404.70, 607,761.54 and 239,200.70

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Solution

The fourth proportional to 440,404.70, 607,761.54 and 239,200.70 is: 330,098.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,404.70 : 607,761.54 = 239,200.70 : x
  2. Step 2: Convert to fraction form
    440,404.70/607,761.54 = 239,200.70/x
  3. Step 3: Cross multiply
    440,404.70x = 607,761.54 × 239,200.70
  4. Step 4: Simplify right side
    440,404.70x = 145,376,985,801.08
  5. Step 5: Solve for x
    x = 145,376,985,801.08/440,404.70
  6. Step 6: Final answer
    x = 330,098.62

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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.