Home / 982,631.66-1,473,948.23-272,660.38

Finding the Fourth Proportional to 982,631.66, 1,473,948.23 and 272,660.38

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Solution

The fourth proportional to 982,631.66, 1,473,948.23 and 272,660.38 is: 408,990.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,631.66 : 1,473,948.23 = 272,660.38 : x
  2. Step 2: Convert to fraction form
    982,631.66/1,473,948.23 = 272,660.38/x
  3. Step 3: Cross multiply
    982,631.66x = 1,473,948.23 × 272,660.38
  4. Step 4: Simplify right side
    982,631.66x = 401,887,279,443.96
  5. Step 5: Solve for x
    x = 401,887,279,443.96/982,631.66
  6. Step 6: Final answer
    x = 408,990.77

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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.