Home / 843,372.88-1,265,057.76-274,753.32

Finding the Fourth Proportional to 843,372.88, 1,265,057.76 and 274,753.32

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Solution

The fourth proportional to 843,372.88, 1,265,057.76 and 274,753.32 is: 412,129.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,372.88 : 1,265,057.76 = 274,753.32 : x
  2. Step 2: Convert to fraction form
    843,372.88/1,265,057.76 = 274,753.32/x
  3. Step 3: Cross multiply
    843,372.88x = 1,265,057.76 × 274,753.32
  4. Step 4: Simplify right side
    843,372.88x = 347,578,815,838.12
  5. Step 5: Solve for x
    x = 347,578,815,838.12/843,372.88
  6. Step 6: Final answer
    x = 412,129.47

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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.