Home / 426,845.43-589,169.39-281,757.12

Finding the Fourth Proportional to 426,845.43, 589,169.39 and 281,757.12

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Solution

The fourth proportional to 426,845.43, 589,169.39 and 281,757.12 is: 388,905.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,845.43 : 589,169.39 = 281,757.12 : x
  2. Step 2: Convert to fraction form
    426,845.43/589,169.39 = 281,757.12/x
  3. Step 3: Cross multiply
    426,845.43x = 589,169.39 × 281,757.12
  4. Step 4: Simplify right side
    426,845.43x = 166,002,669,013.56
  5. Step 5: Solve for x
    x = 166,002,669,013.56/426,845.43
  6. Step 6: Final answer
    x = 388,905.81

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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.