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Finding the Fourth Proportional to 688,875, 1,033,326.75 and 250,679.73

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Solution

The fourth proportional to 688,875, 1,033,326.75 and 250,679.73 is: 376,024.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,875 : 1,033,326.75 = 250,679.73 : x
  2. Step 2: Convert to fraction form
    688,875/1,033,326.75 = 250,679.73/x
  3. Step 3: Cross multiply
    688,875x = 1,033,326.75 × 250,679.73
  4. Step 4: Simplify right side
    688,875x = 259,034,070,691.78
  5. Step 5: Solve for x
    x = 259,034,070,691.78/688,875
  6. Step 6: Final answer
    x = 376,024.78

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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.