Home / 951,749-1,427,997.33-418,896.47

Finding the Fourth Proportional to 951,749, 1,427,997.33 and 418,896.47

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Solution

The fourth proportional to 951,749, 1,427,997.33 and 418,896.47 is: 628,509.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,749 : 1,427,997.33 = 418,896.47 : x
  2. Step 2: Convert to fraction form
    951,749/1,427,997.33 = 418,896.47/x
  3. Step 3: Cross multiply
    951,749x = 1,427,997.33 × 418,896.47
  4. Step 4: Simplify right side
    951,749x = 598,183,040,706.43
  5. Step 5: Solve for x
    x = 598,183,040,706.43/951,749
  6. Step 6: Final answer
    x = 628,509.24

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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.