Home / 754,132.07-1,040,689.82-409,976.54

Finding the Fourth Proportional to 754,132.07, 1,040,689.82 and 409,976.54

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Solution

The fourth proportional to 754,132.07, 1,040,689.82 and 409,976.54 is: 565,760.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,132.07 : 1,040,689.82 = 409,976.54 : x
  2. Step 2: Convert to fraction form
    754,132.07/1,040,689.82 = 409,976.54/x
  3. Step 3: Cross multiply
    754,132.07x = 1,040,689.82 × 409,976.54
  4. Step 4: Simplify right side
    754,132.07x = 426,658,411,340.90
  5. Step 5: Solve for x
    x = 426,658,411,340.90/754,132.07
  6. Step 6: Final answer
    x = 565,760.86

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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.