Home / 548,719.29-757,262.07-306,987.48

Finding the Fourth Proportional to 548,719.29, 757,262.07 and 306,987.48

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Solution

The fourth proportional to 548,719.29, 757,262.07 and 306,987.48 is: 423,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,719.29 : 757,262.07 = 306,987.48 : x
  2. Step 2: Convert to fraction form
    548,719.29/757,262.07 = 306,987.48/x
  3. Step 3: Cross multiply
    548,719.29x = 757,262.07 × 306,987.48
  4. Step 4: Simplify right side
    548,719.29x = 232,469,974,568.88
  5. Step 5: Solve for x
    x = 232,469,974,568.88/548,719.29
  6. Step 6: Final answer
    x = 423,659.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.