Home / 752.03-1,126.62-442.95

Finding the Fourth Proportional to 752.03, 1,126.62 and 442.95

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Solution

The fourth proportional to 752.03, 1,126.62 and 442.95 is: 663.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    752.03 : 1,126.62 = 442.95 : x
  2. Step 2: Convert to fraction form
    752.03/1,126.62 = 442.95/x
  3. Step 3: Cross multiply
    752.03x = 1,126.62 × 442.95
  4. Step 4: Simplify right side
    752.03x = 499,036.33
  5. Step 5: Solve for x
    x = 499,036.33/752.03
  6. Step 6: Final answer
    x = 663.59

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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.