Home / 748,122.97-1,032,408.03-408,591.22

Finding the Fourth Proportional to 748,122.97, 1,032,408.03 and 408,591.22

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Solution

The fourth proportional to 748,122.97, 1,032,408.03 and 408,591.22 is: 563,854.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,122.97 : 1,032,408.03 = 408,591.22 : x
  2. Step 2: Convert to fraction form
    748,122.97/1,032,408.03 = 408,591.22/x
  3. Step 3: Cross multiply
    748,122.97x = 1,032,408.03 × 408,591.22
  4. Step 4: Simplify right side
    748,122.97x = 421,832,856,515.50
  5. Step 5: Solve for x
    x = 421,832,856,515.50/748,122.97
  6. Step 6: Final answer
    x = 563,854.97

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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.