Home / 982,489.65-1,473,734.38-272,517.72

Finding the Fourth Proportional to 982,489.65, 1,473,734.38 and 272,517.72

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Solution

The fourth proportional to 982,489.65, 1,473,734.38 and 272,517.72 is: 408,776.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,489.65 : 1,473,734.38 = 272,517.72 : x
  2. Step 2: Convert to fraction form
    982,489.65/1,473,734.38 = 272,517.72/x
  3. Step 3: Cross multiply
    982,489.65x = 1,473,734.38 × 272,517.72
  4. Step 4: Simplify right side
    982,489.65x = 401,618,733,123.21
  5. Step 5: Solve for x
    x = 401,618,733,123.21/982,489.65
  6. Step 6: Final answer
    x = 408,776.55

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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.