Home / 843,489.67-1,265,104.57-274,869.37

Finding the Fourth Proportional to 843,489.67, 1,265,104.57 and 274,869.37

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Solution

The fourth proportional to 843,489.67, 1,265,104.57 and 274,869.37 is: 412,261.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,489.67 : 1,265,104.57 = 274,869.37 : x
  2. Step 2: Convert to fraction form
    843,489.67/1,265,104.57 = 274,869.37/x
  3. Step 3: Cross multiply
    843,489.67x = 1,265,104.57 × 274,869.37
  4. Step 4: Simplify right side
    843,489.67x = 347,738,496,140.02
  5. Step 5: Solve for x
    x = 347,738,496,140.02/843,489.67
  6. Step 6: Final answer
    x = 412,261.71

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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.