Home / 754,239.38-1,131,359.25-221,763.02

Finding the Fourth Proportional to 754,239.38, 1,131,359.25 and 221,763.02

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Solution

The fourth proportional to 754,239.38, 1,131,359.25 and 221,763.02 is: 332,644.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,239.38 : 1,131,359.25 = 221,763.02 : x
  2. Step 2: Convert to fraction form
    754,239.38/1,131,359.25 = 221,763.02/x
  3. Step 3: Cross multiply
    754,239.38x = 1,131,359.25 × 221,763.02
  4. Step 4: Simplify right side
    754,239.38x = 250,893,643,984.94
  5. Step 5: Solve for x
    x = 250,893,643,984.94/754,239.38
  6. Step 6: Final answer
    x = 332,644.58

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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.