Home / 752,618.34-1,129,007.70-220,142.16

Finding the Fourth Proportional to 752,618.34, 1,129,007.70 and 220,142.16

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Solution

The fourth proportional to 752,618.34, 1,129,007.70 and 220,142.16 is: 330,236.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,618.34 : 1,129,007.70 = 220,142.16 : x
  2. Step 2: Convert to fraction form
    752,618.34/1,129,007.70 = 220,142.16/x
  3. Step 3: Cross multiply
    752,618.34x = 1,129,007.70 × 220,142.16
  4. Step 4: Simplify right side
    752,618.34x = 248,542,193,734.63
  5. Step 5: Solve for x
    x = 248,542,193,734.63/752,618.34
  6. Step 6: Final answer
    x = 330,236.70

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1.5x scale

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.