Home / 748,205.82-1,122,755.85-274,939.02

Finding the Fourth Proportional to 748,205.82, 1,122,755.85 and 274,939.02

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Solution

The fourth proportional to 748,205.82, 1,122,755.85 and 274,939.02 is: 412,572.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,205.82 : 1,122,755.85 = 274,939.02 : x
  2. Step 2: Convert to fraction form
    748,205.82/1,122,755.85 = 274,939.02/x
  3. Step 3: Cross multiply
    748,205.82x = 1,122,755.85 × 274,939.02
  4. Step 4: Simplify right side
    748,205.82x = 308,689,393,098.27
  5. Step 5: Solve for x
    x = 308,689,393,098.27/748,205.82
  6. Step 6: Final answer
    x = 412,572.83

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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.