Home / 766,274.64-1,149,507.40-260,796.78

Finding the Fourth Proportional to 766,274.64, 1,149,507.40 and 260,796.78

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Solution

The fourth proportional to 766,274.64, 1,149,507.40 and 260,796.78 is: 391,227.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,274.64 : 1,149,507.40 = 260,796.78 : x
  2. Step 2: Convert to fraction form
    766,274.64/1,149,507.40 = 260,796.78/x
  3. Step 3: Cross multiply
    766,274.64x = 1,149,507.40 × 260,796.78
  4. Step 4: Simplify right side
    766,274.64x = 299,787,828,506.17
  5. Step 5: Solve for x
    x = 299,787,828,506.17/766,274.64
  6. Step 6: Final answer
    x = 391,227.65

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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.