Home / 813,406.73-1,220,103.95-244,785.38

Finding the Fourth Proportional to 813,406.73, 1,220,103.95 and 244,785.38

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Solution

The fourth proportional to 813,406.73, 1,220,103.95 and 244,785.38 is: 367,176.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,406.73 : 1,220,103.95 = 244,785.38 : x
  2. Step 2: Convert to fraction form
    813,406.73/1,220,103.95 = 244,785.38/x
  3. Step 3: Cross multiply
    813,406.73x = 1,220,103.95 × 244,785.38
  4. Step 4: Simplify right side
    813,406.73x = 298,663,601,715.80
  5. Step 5: Solve for x
    x = 298,663,601,715.80/813,406.73
  6. Step 6: Final answer
    x = 367,176.21

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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.