Home / 1,288.62-1,932.48-466.74

Finding the Fourth Proportional to 1,288.62, 1,932.48 and 466.74

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Solution

The fourth proportional to 1,288.62, 1,932.48 and 466.74 is: 699.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288.62 : 1,932.48 = 466.74 : x
  2. Step 2: Convert to fraction form
    1,288.62/1,932.48 = 466.74/x
  3. Step 3: Cross multiply
    1,288.62x = 1,932.48 × 466.74
  4. Step 4: Simplify right side
    1,288.62x = 901,965.72
  5. Step 5: Solve for x
    x = 901,965.72/1,288.62
  6. Step 6: Final answer
    x = 699.95

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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.