Home / 754,007.92-1,040,522.52-409,836.40

Finding the Fourth Proportional to 754,007.92, 1,040,522.52 and 409,836.40

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Solution

The fourth proportional to 754,007.92, 1,040,522.52 and 409,836.40 is: 565,569.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,007.92 : 1,040,522.52 = 409,836.40 : x
  2. Step 2: Convert to fraction form
    754,007.92/1,040,522.52 = 409,836.40/x
  3. Step 3: Cross multiply
    754,007.92x = 1,040,522.52 × 409,836.40
  4. Step 4: Simplify right side
    754,007.92x = 426,444,003,715.73
  5. Step 5: Solve for x
    x = 426,444,003,715.73/754,007.92
  6. Step 6: Final answer
    x = 565,569.66

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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.