Home / 754,818.66-1,131,793.83-451,515.78

Finding the Fourth Proportional to 754,818.66, 1,131,793.83 and 451,515.78

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Solution

The fourth proportional to 754,818.66, 1,131,793.83 and 451,515.78 is: 677,013.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,818.66 : 1,131,793.83 = 451,515.78 : x
  2. Step 2: Convert to fraction form
    754,818.66/1,131,793.83 = 451,515.78/x
  3. Step 3: Cross multiply
    754,818.66x = 1,131,793.83 × 451,515.78
  4. Step 4: Simplify right side
    754,818.66x = 511,022,773,951.64
  5. Step 5: Solve for x
    x = 511,022,773,951.64/754,818.66
  6. Step 6: Final answer
    x = 677,013.97

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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.