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Finding the Fourth Proportional to 551,644.28, 826,694.94 and 298,377.80

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Solution

The fourth proportional to 551,644.28, 826,694.94 and 298,377.80 is: 447,149.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,644.28 : 826,694.94 = 298,377.80 : x
  2. Step 2: Convert to fraction form
    551,644.28/826,694.94 = 298,377.80/x
  3. Step 3: Cross multiply
    551,644.28x = 826,694.94 × 298,377.80
  4. Step 4: Simplify right side
    551,644.28x = 246,667,417,468.33
  5. Step 5: Solve for x
    x = 246,667,417,468.33/551,644.28
  6. Step 6: Final answer
    x = 447,149.42

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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.