Home / 725,161.20-1,086,429.60-444,350.40

Finding the Fourth Proportional to 725,161.20, 1,086,429.60 and 444,350.40

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Solution

The fourth proportional to 725,161.20, 1,086,429.60 and 444,350.40 is: 665,721.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,161.20 : 1,086,429.60 = 444,350.40 : x
  2. Step 2: Convert to fraction form
    725,161.20/1,086,429.60 = 444,350.40/x
  3. Step 3: Cross multiply
    725,161.20x = 1,086,429.60 × 444,350.40
  4. Step 4: Simplify right side
    725,161.20x = 482,755,427,331.84
  5. Step 5: Solve for x
    x = 482,755,427,331.84/725,161.20
  6. Step 6: Final answer
    x = 665,721.54

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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.