Home / 688,519.62-1,032,382.13-267,303.42

Finding the Fourth Proportional to 688,519.62, 1,032,382.13 and 267,303.42

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Solution

The fourth proportional to 688,519.62, 1,032,382.13 and 267,303.42 is: 400,800.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,519.62 : 1,032,382.13 = 267,303.42 : x
  2. Step 2: Convert to fraction form
    688,519.62/1,032,382.13 = 267,303.42/x
  3. Step 3: Cross multiply
    688,519.62x = 1,032,382.13 × 267,303.42
  4. Step 4: Simplify right side
    688,519.62x = 275,959,272,759.37
  5. Step 5: Solve for x
    x = 275,959,272,759.37/688,519.62
  6. Step 6: Final answer
    x = 400,800.88

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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.