Home / 724,049.12-1,086,249.26-218,579.92

Finding the Fourth Proportional to 724,049.12, 1,086,249.26 and 218,579.92

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Solution

The fourth proportional to 724,049.12, 1,086,249.26 and 218,579.92 is: 327,922.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,049.12 : 1,086,249.26 = 218,579.92 : x
  2. Step 2: Convert to fraction form
    724,049.12/1,086,249.26 = 218,579.92/x
  3. Step 3: Cross multiply
    724,049.12x = 1,086,249.26 × 218,579.92
  4. Step 4: Simplify right side
    724,049.12x = 237,432,274,181.69
  5. Step 5: Solve for x
    x = 237,432,274,181.69/724,049.12
  6. Step 6: Final answer
    x = 327,922.88

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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.