Home / 757,896.76-1,135,857.88-308,092.20

Finding the Fourth Proportional to 757,896.76, 1,135,857.88 and 308,092.20

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Solution

The fourth proportional to 757,896.76, 1,135,857.88 and 308,092.20 is: 461,736.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,896.76 : 1,135,857.88 = 308,092.20 : x
  2. Step 2: Convert to fraction form
    757,896.76/1,135,857.88 = 308,092.20/x
  3. Step 3: Cross multiply
    757,896.76x = 1,135,857.88 × 308,092.20
  4. Step 4: Simplify right side
    757,896.76x = 349,948,953,136.54
  5. Step 5: Solve for x
    x = 349,948,953,136.54/757,896.76
  6. Step 6: Final answer
    x = 461,736.97

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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.