Home / 807,456.38-1,211,372.19-274,982.03

Finding the Fourth Proportional to 807,456.38, 1,211,372.19 and 274,982.03

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Solution

The fourth proportional to 807,456.38, 1,211,372.19 and 274,982.03 is: 412,536.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,456.38 : 1,211,372.19 = 274,982.03 : x
  2. Step 2: Convert to fraction form
    807,456.38/1,211,372.19 = 274,982.03/x
  3. Step 3: Cross multiply
    807,456.38x = 1,211,372.19 × 274,982.03
  4. Step 4: Simplify right side
    807,456.38x = 333,105,577,834.89
  5. Step 5: Solve for x
    x = 333,105,577,834.89/807,456.38
  6. Step 6: Final answer
    x = 412,536.93

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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.