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Finding the Fourth Proportional to 510,976.78, 766,793.22 and 342,687.13

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Solution

The fourth proportional to 510,976.78, 766,793.22 and 342,687.13 is: 514,250.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,976.78 : 766,793.22 = 342,687.13 : x
  2. Step 2: Convert to fraction form
    510,976.78/766,793.22 = 342,687.13/x
  3. Step 3: Cross multiply
    510,976.78x = 766,793.22 × 342,687.13
  4. Step 4: Simplify right side
    510,976.78x = 262,770,165,091.56
  5. Step 5: Solve for x
    x = 262,770,165,091.56/510,976.78
  6. Step 6: Final answer
    x = 514,250.70

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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.