Home / 982,481.79-1,473,722.56-272,509.83

Finding the Fourth Proportional to 982,481.79, 1,473,722.56 and 272,509.83

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Solution

The fourth proportional to 982,481.79, 1,473,722.56 and 272,509.83 is: 408,764.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,481.79 : 1,473,722.56 = 272,509.83 : x
  2. Step 2: Convert to fraction form
    982,481.79/1,473,722.56 = 272,509.83/x
  3. Step 3: Cross multiply
    982,481.79x = 1,473,722.56 × 272,509.83
  4. Step 4: Simplify right side
    982,481.79x = 401,603,884,292.77
  5. Step 5: Solve for x
    x = 401,603,884,292.77/982,481.79
  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.