Home / 755,039.58-1,132,755.39-281,728.50

Finding the Fourth Proportional to 755,039.58, 1,132,755.39 and 281,728.50

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Solution

The fourth proportional to 755,039.58, 1,132,755.39 and 281,728.50 is: 422,665.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,039.58 : 1,132,755.39 = 281,728.50 : x
  2. Step 2: Convert to fraction form
    755,039.58/1,132,755.39 = 281,728.50/x
  3. Step 3: Cross multiply
    755,039.58x = 1,132,755.39 × 281,728.50
  4. Step 4: Simplify right side
    755,039.58x = 319,129,476,891.62
  5. Step 5: Solve for x
    x = 319,129,476,891.62/755,039.58
  6. Step 6: Final answer
    x = 422,665.89

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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.