Home / 816,371.92-1,224,535.33-217,338.27

Finding the Fourth Proportional to 816,371.92, 1,224,535.33 and 217,338.27

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Solution

The fourth proportional to 816,371.92, 1,224,535.33 and 217,338.27 is: 326,001.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,371.92 : 1,224,535.33 = 217,338.27 : x
  2. Step 2: Convert to fraction form
    816,371.92/1,224,535.33 = 217,338.27/x
  3. Step 3: Cross multiply
    816,371.92x = 1,224,535.33 × 217,338.27
  4. Step 4: Simplify right side
    816,371.92x = 266,138,391,521.23
  5. Step 5: Solve for x
    x = 266,138,391,521.23/816,371.92
  6. Step 6: Final answer
    x = 326,001.40

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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.