Home / 752,493.92-1,128,846.72-220,055

Finding the Fourth Proportional to 752,493.92, 1,128,846.72 and 220,055

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Solution

The fourth proportional to 752,493.92, 1,128,846.72 and 220,055 is: 330,113.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,493.92 : 1,128,846.72 = 220,055 : x
  2. Step 2: Convert to fraction form
    752,493.92/1,128,846.72 = 220,055/x
  3. Step 3: Cross multiply
    752,493.92x = 1,128,846.72 × 220,055
  4. Step 4: Simplify right side
    752,493.92x = 248,408,364,969.60
  5. Step 5: Solve for x
    x = 248,408,364,969.60/752,493.92
  6. Step 6: Final answer
    x = 330,113.45

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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.