Home / 766,073.80-1,149,110.70-260,767.45

Finding the Fourth Proportional to 766,073.80, 1,149,110.70 and 260,767.45

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Solution

The fourth proportional to 766,073.80, 1,149,110.70 and 260,767.45 is: 391,151.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,073.80 : 1,149,110.70 = 260,767.45 : x
  2. Step 2: Convert to fraction form
    766,073.80/1,149,110.70 = 260,767.45/x
  3. Step 3: Cross multiply
    766,073.80x = 1,149,110.70 × 260,767.45
  4. Step 4: Simplify right side
    766,073.80x = 299,650,667,006.72
  5. Step 5: Solve for x
    x = 299,650,667,006.72/766,073.80
  6. Step 6: Final answer
    x = 391,151.18

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Similar ratio
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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.