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Finding the Fourth Proportional to 888.88, 1,325.10 and 874.84

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Solution

The fourth proportional to 888.88, 1,325.10 and 874.84 is: 1,304.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    888.88 : 1,325.10 = 874.84 : x
  2. Step 2: Convert to fraction form
    888.88/1,325.10 = 874.84/x
  3. Step 3: Cross multiply
    888.88x = 1,325.10 × 874.84
  4. Step 4: Simplify right side
    888.88x = 1,159,250.48
  5. Step 5: Solve for x
    x = 1,159,250.48/888.88
  6. Step 6: Final answer
    x = 1,304.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.