Home / 766,254.60-1,149,503.40-260,863.20

Finding the Fourth Proportional to 766,254.60, 1,149,503.40 and 260,863.20

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Solution

The fourth proportional to 766,254.60, 1,149,503.40 and 260,863.20 is: 391,336.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,254.60 : 1,149,503.40 = 260,863.20 : x
  2. Step 2: Convert to fraction form
    766,254.60/1,149,503.40 = 260,863.20/x
  3. Step 3: Cross multiply
    766,254.60x = 1,149,503.40 × 260,863.20
  4. Step 4: Simplify right side
    766,254.60x = 299,863,135,334.88
  5. Step 5: Solve for x
    x = 299,863,135,334.88/766,254.60
  6. Step 6: Final answer
    x = 391,336.16

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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.