Home / 754,121.66-1,040,694.64-409,958.24

Finding the Fourth Proportional to 754,121.66, 1,040,694.64 and 409,958.24

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Solution

The fourth proportional to 754,121.66, 1,040,694.64 and 409,958.24 is: 565,746.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,121.66 : 1,040,694.64 = 409,958.24 : x
  2. Step 2: Convert to fraction form
    754,121.66/1,040,694.64 = 409,958.24/x
  3. Step 3: Cross multiply
    754,121.66x = 1,040,694.64 × 409,958.24
  4. Step 4: Simplify right side
    754,121.66x = 426,641,342,991.83
  5. Step 5: Solve for x
    x = 426,641,342,991.83/754,121.66
  6. Step 6: Final answer
    x = 565,746.04

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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.