Home / 723,974.76-1,086,118.23-218,493.48

Finding the Fourth Proportional to 723,974.76, 1,086,118.23 and 218,493.48

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Solution

The fourth proportional to 723,974.76, 1,086,118.23 and 218,493.48 is: 327,787.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,974.76 : 1,086,118.23 = 218,493.48 : x
  2. Step 2: Convert to fraction form
    723,974.76/1,086,118.23 = 218,493.48/x
  3. Step 3: Cross multiply
    723,974.76x = 1,086,118.23 × 218,493.48
  4. Step 4: Simplify right side
    723,974.76x = 237,309,751,764.14
  5. Step 5: Solve for x
    x = 237,309,751,764.14/723,974.76
  6. Step 6: Final answer
    x = 327,787.33

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1.5x scale

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.