Home / 619,221.92-927,936.41-426,898.94

Finding the Fourth Proportional to 619,221.92, 927,936.41 and 426,898.94

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Solution

The fourth proportional to 619,221.92, 927,936.41 and 426,898.94 is: 639,730.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,221.92 : 927,936.41 = 426,898.94 : x
  2. Step 2: Convert to fraction form
    619,221.92/927,936.41 = 426,898.94/x
  3. Step 3: Cross multiply
    619,221.92x = 927,936.41 × 426,898.94
  4. Step 4: Simplify right side
    619,221.92x = 396,135,063,042.23
  5. Step 5: Solve for x
    x = 396,135,063,042.23/619,221.92
  6. Step 6: Final answer
    x = 639,730.37

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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.