Home / 814,982.54-1,222,196.99-282,379.39

Finding the Fourth Proportional to 814,982.54, 1,222,196.99 and 282,379.39

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Solution

The fourth proportional to 814,982.54, 1,222,196.99 and 282,379.39 is: 423,473.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,982.54 : 1,222,196.99 = 282,379.39 : x
  2. Step 2: Convert to fraction form
    814,982.54/1,222,196.99 = 282,379.39/x
  3. Step 3: Cross multiply
    814,982.54x = 1,222,196.99 × 282,379.39
  4. Step 4: Simplify right side
    814,982.54x = 345,123,236,028.65
  5. Step 5: Solve for x
    x = 345,123,236,028.65/814,982.54
  6. Step 6: Final answer
    x = 423,473.17

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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.