Home / 754,283.62-1,040,948.79-467,895.97

Finding the Fourth Proportional to 754,283.62, 1,040,948.79 and 467,895.97

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Solution

The fourth proportional to 754,283.62, 1,040,948.79 and 467,895.97 is: 645,719.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,283.62 : 1,040,948.79 = 467,895.97 : x
  2. Step 2: Convert to fraction form
    754,283.62/1,040,948.79 = 467,895.97/x
  3. Step 3: Cross multiply
    754,283.62x = 1,040,948.79 × 467,895.97
  4. Step 4: Simplify right side
    754,283.62x = 487,055,743,817.38
  5. Step 5: Solve for x
    x = 487,055,743,817.38/754,283.62
  6. Step 6: Final answer
    x = 645,719.64

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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.