Home / 688,520.62-1,032,383.62-267,304.42

Finding the Fourth Proportional to 688,520.62, 1,032,383.62 and 267,304.42

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Solution

The fourth proportional to 688,520.62, 1,032,383.62 and 267,304.42 is: 400,802.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,520.62 : 1,032,383.62 = 267,304.42 : x
  2. Step 2: Convert to fraction form
    688,520.62/1,032,383.62 = 267,304.42/x
  3. Step 3: Cross multiply
    688,520.62x = 1,032,383.62 × 267,304.42
  4. Step 4: Simplify right side
    688,520.62x = 275,960,704,761.60
  5. Step 5: Solve for x
    x = 275,960,704,761.60/688,520.62
  6. Step 6: Final answer
    x = 400,802.38

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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.