Home / 766,260.60-1,149,512.40-260,869.20

Finding the Fourth Proportional to 766,260.60, 1,149,512.40 and 260,869.20

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Solution

The fourth proportional to 766,260.60, 1,149,512.40 and 260,869.20 is: 391,345.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,260.60 : 1,149,512.40 = 260,869.20 : x
  2. Step 2: Convert to fraction form
    766,260.60/1,149,512.40 = 260,869.20/x
  3. Step 3: Cross multiply
    766,260.60x = 1,149,512.40 × 260,869.20
  4. Step 4: Simplify right side
    766,260.60x = 299,872,380,178.08
  5. Step 5: Solve for x
    x = 299,872,380,178.08/766,260.60
  6. Step 6: Final answer
    x = 391,345.16

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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.