Home / 754,099.74-1,131,149.82-221,620.74

Finding the Fourth Proportional to 754,099.74, 1,131,149.82 and 221,620.74

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Solution

The fourth proportional to 754,099.74, 1,131,149.82 and 221,620.74 is: 332,431.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,099.74 : 1,131,149.82 = 221,620.74 : x
  2. Step 2: Convert to fraction form
    754,099.74/1,131,149.82 = 221,620.74/x
  3. Step 3: Cross multiply
    754,099.74x = 1,131,149.82 × 221,620.74
  4. Step 4: Simplify right side
    754,099.74x = 250,686,260,159.27
  5. Step 5: Solve for x
    x = 250,686,260,159.27/754,099.74
  6. Step 6: Final answer
    x = 332,431.17

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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.