Home / 748,397.76-1,122,084.22-268,614.90

Finding the Fourth Proportional to 748,397.76, 1,122,084.22 and 268,614.90

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Solution

The fourth proportional to 748,397.76, 1,122,084.22 and 268,614.90 is: 402,738.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,397.76 : 1,122,084.22 = 268,614.90 : x
  2. Step 2: Convert to fraction form
    748,397.76/1,122,084.22 = 268,614.90/x
  3. Step 3: Cross multiply
    748,397.76x = 1,122,084.22 × 268,614.90
  4. Step 4: Simplify right side
    748,397.76x = 301,408,540,546.88
  5. Step 5: Solve for x
    x = 301,408,540,546.88/748,397.76
  6. Step 6: Final answer
    x = 402,738.43

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1.5x scale

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.