Home / 754,079.08-1,131,126.36-221,609.56

Finding the Fourth Proportional to 754,079.08, 1,131,126.36 and 221,609.56

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Solution

The fourth proportional to 754,079.08, 1,131,126.36 and 221,609.56 is: 332,416.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,079.08 : 1,131,126.36 = 221,609.56 : x
  2. Step 2: Convert to fraction form
    754,079.08/1,131,126.36 = 221,609.56/x
  3. Step 3: Cross multiply
    754,079.08x = 1,131,126.36 × 221,609.56
  4. Step 4: Simplify right side
    754,079.08x = 250,668,414,944.00
  5. Step 5: Solve for x
    x = 250,668,414,944.00/754,079.08
  6. Step 6: Final answer
    x = 332,416.61

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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.