Home / 843,748.53-1,265,754.25-274,997.66

Finding the Fourth Proportional to 843,748.53, 1,265,754.25 and 274,997.66

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Solution

The fourth proportional to 843,748.53, 1,265,754.25 and 274,997.66 is: 412,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,748.53 : 1,265,754.25 = 274,997.66 : x
  2. Step 2: Convert to fraction form
    843,748.53/1,265,754.25 = 274,997.66/x
  3. Step 3: Cross multiply
    843,748.53x = 1,265,754.25 × 274,997.66
  4. Step 4: Simplify right side
    843,748.53x = 348,079,456,473.04
  5. Step 5: Solve for x
    x = 348,079,456,473.04/843,748.53
  6. Step 6: Final answer
    x = 412,539.34

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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.