Home / 741,638.44-1,111,797.91-268,218.55

Finding the Fourth Proportional to 741,638.44, 1,111,797.91 and 268,218.55

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Solution

The fourth proportional to 741,638.44, 1,111,797.91 and 268,218.55 is: 402,089.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,638.44 : 1,111,797.91 = 268,218.55 : x
  2. Step 2: Convert to fraction form
    741,638.44/1,111,797.91 = 268,218.55/x
  3. Step 3: Cross multiply
    741,638.44x = 1,111,797.91 × 268,218.55
  4. Step 4: Simplify right side
    741,638.44x = 298,204,819,863.19
  5. Step 5: Solve for x
    x = 298,204,819,863.19/741,638.44
  6. Step 6: Final answer
    x = 402,089.22

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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.