Home / 766,758.83-1,150,138.06-205,793.33

Finding the Fourth Proportional to 766,758.83, 1,150,138.06 and 205,793.33

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Solution

The fourth proportional to 766,758.83, 1,150,138.06 and 205,793.33 is: 308,689.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,758.83 : 1,150,138.06 = 205,793.33 : x
  2. Step 2: Convert to fraction form
    766,758.83/1,150,138.06 = 205,793.33/x
  3. Step 3: Cross multiply
    766,758.83x = 1,150,138.06 × 205,793.33
  4. Step 4: Simplify right side
    766,758.83x = 236,690,735,061.97
  5. Step 5: Solve for x
    x = 236,690,735,061.97/766,758.83
  6. Step 6: Final answer
    x = 308,689.94

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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.