Home / 752.03-1,125.21-444.05

Finding the Fourth Proportional to 752.03, 1,125.21 and 444.05

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Solution

The fourth proportional to 752.03, 1,125.21 and 444.05 is: 664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    752.03 : 1,125.21 = 444.05 : x
  2. Step 2: Convert to fraction form
    752.03/1,125.21 = 444.05/x
  3. Step 3: Cross multiply
    752.03x = 1,125.21 × 444.05
  4. Step 4: Simplify right side
    752.03x = 499,649.50
  5. Step 5: Solve for x
    x = 499,649.50/752.03
  6. Step 6: Final answer
    x = 664.40

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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.