Home / 754,218.88-1,131,380.16-221,752.96

Finding the Fourth Proportional to 754,218.88, 1,131,380.16 and 221,752.96

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Solution

The fourth proportional to 754,218.88, 1,131,380.16 and 221,752.96 is: 332,644.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,218.88 : 1,131,380.16 = 221,752.96 : x
  2. Step 2: Convert to fraction form
    754,218.88/1,131,380.16 = 221,752.96/x
  3. Step 3: Cross multiply
    754,218.88x = 1,131,380.16 × 221,752.96
  4. Step 4: Simplify right side
    754,218.88x = 250,886,899,365.27
  5. Step 5: Solve for x
    x = 250,886,899,365.27/754,218.88
  6. Step 6: Final answer
    x = 332,644.68

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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.