Home / 843,240.47-1,264,949.28-274,665.87

Finding the Fourth Proportional to 843,240.47, 1,264,949.28 and 274,665.87

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Solution

The fourth proportional to 843,240.47, 1,264,949.28 and 274,665.87 is: 412,027.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,240.47 : 1,264,949.28 = 274,665.87 : x
  2. Step 2: Convert to fraction form
    843,240.47/1,264,949.28 = 274,665.87/x
  3. Step 3: Cross multiply
    843,240.47x = 1,264,949.28 × 274,665.87
  4. Step 4: Simplify right side
    843,240.47x = 347,438,394,497.07
  5. Step 5: Solve for x
    x = 347,438,394,497.07/843,240.47
  6. Step 6: Final answer
    x = 412,027.66

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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.