Home / 543,251.24-815,676.61-303,834.20

Finding the Fourth Proportional to 543,251.24, 815,676.61 and 303,834.20

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Solution

The fourth proportional to 543,251.24, 815,676.61 and 303,834.20 is: 456,198.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,251.24 : 815,676.61 = 303,834.20 : x
  2. Step 2: Convert to fraction form
    543,251.24/815,676.61 = 303,834.20/x
  3. Step 3: Cross multiply
    543,251.24x = 815,676.61 × 303,834.20
  4. Step 4: Simplify right side
    543,251.24x = 247,830,450,258.06
  5. Step 5: Solve for x
    x = 247,830,450,258.06/543,251.24
  6. Step 6: Final answer
    x = 456,198.59

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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.