Home / 1,288.34-1,932.80-466.53

Finding the Fourth Proportional to 1,288.34, 1,932.80 and 466.53

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Solution

The fourth proportional to 1,288.34, 1,932.80 and 466.53 is: 699.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288.34 : 1,932.80 = 466.53 : x
  2. Step 2: Convert to fraction form
    1,288.34/1,932.80 = 466.53/x
  3. Step 3: Cross multiply
    1,288.34x = 1,932.80 × 466.53
  4. Step 4: Simplify right side
    1,288.34x = 901,706.85
  5. Step 5: Solve for x
    x = 901,706.85/1,288.34
  6. Step 6: Final answer
    x = 699.90

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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.