Home / 982,481.80-1,473,722.57-272,509.83

Finding the Fourth Proportional to 982,481.80, 1,473,722.57 and 272,509.83

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Solution

The fourth proportional to 982,481.80, 1,473,722.57 and 272,509.83 is: 408,764.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,481.80 : 1,473,722.57 = 272,509.83 : x
  2. Step 2: Convert to fraction form
    982,481.80/1,473,722.57 = 272,509.83/x
  3. Step 3: Cross multiply
    982,481.80x = 1,473,722.57 × 272,509.83
  4. Step 4: Simplify right side
    982,481.80x = 401,603,885,655.31
  5. Step 5: Solve for x
    x = 401,603,885,655.31/982,481.80
  6. Step 6: Final answer
    x = 408,764.71

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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.