Home / 741,615.75-1,111,763.88-268,195.86

Finding the Fourth Proportional to 741,615.75, 1,111,763.88 and 268,195.86

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Solution

The fourth proportional to 741,615.75, 1,111,763.88 and 268,195.86 is: 402,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,615.75 : 1,111,763.88 = 268,195.86 : x
  2. Step 2: Convert to fraction form
    741,615.75/1,111,763.88 = 268,195.86/x
  3. Step 3: Cross multiply
    741,615.75x = 1,111,763.88 × 268,195.86
  4. Step 4: Simplify right side
    741,615.75x = 298,170,469,913.54
  5. Step 5: Solve for x
    x = 298,170,469,913.54/741,615.75
  6. Step 6: Final answer
    x = 402,055.20

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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.