Home / 940,073.28-1,408,709.76-519,469.44

Finding the Fourth Proportional to 940,073.28, 1,408,709.76 and 519,469.44

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Solution

The fourth proportional to 940,073.28, 1,408,709.76 and 519,469.44 is: 778,430.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,073.28 : 1,408,709.76 = 519,469.44 : x
  2. Step 2: Convert to fraction form
    940,073.28/1,408,709.76 = 519,469.44/x
  3. Step 3: Cross multiply
    940,073.28x = 1,408,709.76 × 519,469.44
  4. Step 4: Simplify right side
    940,073.28x = 731,781,670,149.73
  5. Step 5: Solve for x
    x = 731,781,670,149.73/940,073.28
  6. Step 6: Final answer
    x = 778,430.45

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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.