Home / 741,638.39-1,111,797.81-268,218.49

Finding the Fourth Proportional to 741,638.39, 1,111,797.81 and 268,218.49

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Solution

The fourth proportional to 741,638.39, 1,111,797.81 and 268,218.49 is: 402,089.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,638.39 : 1,111,797.81 = 268,218.49 : x
  2. Step 2: Convert to fraction form
    741,638.39/1,111,797.81 = 268,218.49/x
  3. Step 3: Cross multiply
    741,638.39x = 1,111,797.81 × 268,218.49
  4. Step 4: Simplify right side
    741,638.39x = 298,204,723,553.97
  5. Step 5: Solve for x
    x = 298,204,723,553.97/741,638.39
  6. Step 6: Final answer
    x = 402,089.12

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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.