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Finding the Fourth Proportional to 486,174.96, 729,015.39 and 283,839.39

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Solution

The fourth proportional to 486,174.96, 729,015.39 and 283,839.39 is: 425,614.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,174.96 : 729,015.39 = 283,839.39 : x
  2. Step 2: Convert to fraction form
    486,174.96/729,015.39 = 283,839.39/x
  3. Step 3: Cross multiply
    486,174.96x = 729,015.39 × 283,839.39
  4. Step 4: Simplify right side
    486,174.96x = 206,923,283,598.21
  5. Step 5: Solve for x
    x = 206,923,283,598.21/486,174.96
  6. Step 6: Final answer
    x = 425,614.85

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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.