Home / 752,858.19-1,129,047.78-247,301.88

Finding the Fourth Proportional to 752,858.19, 1,129,047.78 and 247,301.88

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Solution

The fourth proportional to 752,858.19, 1,129,047.78 and 247,301.88 is: 370,874.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,858.19 : 1,129,047.78 = 247,301.88 : x
  2. Step 2: Convert to fraction form
    752,858.19/1,129,047.78 = 247,301.88/x
  3. Step 3: Cross multiply
    752,858.19x = 1,129,047.78 × 247,301.88
  4. Step 4: Simplify right side
    752,858.19x = 279,215,635,297.28
  5. Step 5: Solve for x
    x = 279,215,635,297.28/752,858.19
  6. Step 6: Final answer
    x = 370,874.14

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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.