Home / 754,415.72-1,131,464.52-221,792.12

Finding the Fourth Proportional to 754,415.72, 1,131,464.52 and 221,792.12

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Solution

The fourth proportional to 754,415.72, 1,131,464.52 and 221,792.12 is: 332,641.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,415.72 : 1,131,464.52 = 221,792.12 : x
  2. Step 2: Convert to fraction form
    754,415.72/1,131,464.52 = 221,792.12/x
  3. Step 3: Cross multiply
    754,415.72x = 1,131,464.52 × 221,792.12
  4. Step 4: Simplify right side
    754,415.72x = 250,949,914,595.58
  5. Step 5: Solve for x
    x = 250,949,914,595.58/754,415.72
  6. Step 6: Final answer
    x = 332,641.42

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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.