Home / 843,342.21-1,265,012.29-274,722.38

Finding the Fourth Proportional to 843,342.21, 1,265,012.29 and 274,722.38

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Solution

The fourth proportional to 843,342.21, 1,265,012.29 and 274,722.38 is: 412,083.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,342.21 : 1,265,012.29 = 274,722.38 : x
  2. Step 2: Convert to fraction form
    843,342.21/1,265,012.29 = 274,722.38/x
  3. Step 3: Cross multiply
    843,342.21x = 1,265,012.29 × 274,722.38
  4. Step 4: Simplify right side
    843,342.21x = 347,527,189,753.35
  5. Step 5: Solve for x
    x = 347,527,189,753.35/843,342.21
  6. Step 6: Final answer
    x = 412,083.24

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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.