Home / 521,835.92-782,976.68-222,457.49

Finding the Fourth Proportional to 521,835.92, 782,976.68 and 222,457.49

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Solution

The fourth proportional to 521,835.92, 782,976.68 and 222,457.49 is: 333,781.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,835.92 : 782,976.68 = 222,457.49 : x
  2. Step 2: Convert to fraction form
    521,835.92/782,976.68 = 222,457.49/x
  3. Step 3: Cross multiply
    521,835.92x = 782,976.68 × 222,457.49
  4. Step 4: Simplify right side
    521,835.92x = 174,179,025,704.54
  5. Step 5: Solve for x
    x = 174,179,025,704.54/521,835.92
  6. Step 6: Final answer
    x = 333,781.21

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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.