Home / 643,726.20-964,898.10-244,212.60

Finding the Fourth Proportional to 643,726.20, 964,898.10 and 244,212.60

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Solution

The fourth proportional to 643,726.20, 964,898.10 and 244,212.60 is: 366,056.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,726.20 : 964,898.10 = 244,212.60 : x
  2. Step 2: Convert to fraction form
    643,726.20/964,898.10 = 244,212.60/x
  3. Step 3: Cross multiply
    643,726.20x = 964,898.10 × 244,212.60
  4. Step 4: Simplify right side
    643,726.20x = 235,640,273,736.06
  5. Step 5: Solve for x
    x = 235,640,273,736.06/643,726.20
  6. Step 6: Final answer
    x = 366,056.68

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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.