Home / 688,522.62-1,032,386.61-267,306.42

Finding the Fourth Proportional to 688,522.62, 1,032,386.61 and 267,306.42

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Solution

The fourth proportional to 688,522.62, 1,032,386.61 and 267,306.42 is: 400,805.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,522.62 : 1,032,386.61 = 267,306.42 : x
  2. Step 2: Convert to fraction form
    688,522.62/1,032,386.61 = 267,306.42/x
  3. Step 3: Cross multiply
    688,522.62x = 1,032,386.61 × 267,306.42
  4. Step 4: Simplify right side
    688,522.62x = 275,963,568,775.04
  5. Step 5: Solve for x
    x = 275,963,568,775.04/688,522.62
  6. Step 6: Final answer
    x = 400,805.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.