Home / 1,244.32-1,867.29-474.82

Finding the Fourth Proportional to 1,244.32, 1,867.29 and 474.82

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Solution

The fourth proportional to 1,244.32, 1,867.29 and 474.82 is: 712.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244.32 : 1,867.29 = 474.82 : x
  2. Step 2: Convert to fraction form
    1,244.32/1,867.29 = 474.82/x
  3. Step 3: Cross multiply
    1,244.32x = 1,867.29 × 474.82
  4. Step 4: Simplify right side
    1,244.32x = 886,626.64
  5. Step 5: Solve for x
    x = 886,626.64/1,244.32
  6. Step 6: Final answer
    x = 712.54

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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.