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Finding the Fourth Proportional to 554,997.26, 765,896.38 and 300,348.66

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Solution

The fourth proportional to 554,997.26, 765,896.38 and 300,348.66 is: 414,481.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,997.26 : 765,896.38 = 300,348.66 : x
  2. Step 2: Convert to fraction form
    554,997.26/765,896.38 = 300,348.66/x
  3. Step 3: Cross multiply
    554,997.26x = 765,896.38 × 300,348.66
  4. Step 4: Simplify right side
    554,997.26x = 230,035,951,431.85
  5. Step 5: Solve for x
    x = 230,035,951,431.85/554,997.26
  6. Step 6: Final answer
    x = 414,481.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.