Home / 828,882.74-1,243,324.11-296,371.48

Finding the Fourth Proportional to 828,882.74, 1,243,324.11 and 296,371.48

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Solution

The fourth proportional to 828,882.74, 1,243,324.11 and 296,371.48 is: 444,557.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,882.74 : 1,243,324.11 = 296,371.48 : x
  2. Step 2: Convert to fraction form
    828,882.74/1,243,324.11 = 296,371.48/x
  3. Step 3: Cross multiply
    828,882.74x = 1,243,324.11 × 296,371.48
  4. Step 4: Simplify right side
    828,882.74x = 368,485,806,600.38
  5. Step 5: Solve for x
    x = 368,485,806,600.38/828,882.74
  6. Step 6: Final answer
    x = 444,557.22

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Double scale
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Similar ratio
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1.5x scale

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.