Home / 754,146.52-1,040,728.17-409,982.38

Finding the Fourth Proportional to 754,146.52, 1,040,728.17 and 409,982.38

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Solution

The fourth proportional to 754,146.52, 1,040,728.17 and 409,982.38 is: 565,778.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,146.52 : 1,040,728.17 = 409,982.38 : x
  2. Step 2: Convert to fraction form
    754,146.52/1,040,728.17 = 409,982.38/x
  3. Step 3: Cross multiply
    754,146.52x = 1,040,728.17 × 409,982.38
  4. Step 4: Simplify right side
    754,146.52x = 426,680,212,069.65
  5. Step 5: Solve for x
    x = 426,680,212,069.65/754,146.52
  6. Step 6: Final answer
    x = 565,778.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.