Home / 1,200.11-1,799.10-469.17

Finding the Fourth Proportional to 1,200.11, 1,799.10 and 469.17

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Solution

The fourth proportional to 1,200.11, 1,799.10 and 469.17 is: 703.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200.11 : 1,799.10 = 469.17 : x
  2. Step 2: Convert to fraction form
    1,200.11/1,799.10 = 469.17/x
  3. Step 3: Cross multiply
    1,200.11x = 1,799.10 × 469.17
  4. Step 4: Simplify right side
    1,200.11x = 844,083.75
  5. Step 5: Solve for x
    x = 844,083.75/1,200.11
  6. Step 6: Final answer
    x = 703.34

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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.