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Finding the Fourth Proportional to 378,771.80, 566,754.37 and 303,664.75

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Solution

The fourth proportional to 378,771.80, 566,754.37 and 303,664.75 is: 454,372.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,771.80 : 566,754.37 = 303,664.75 : x
  2. Step 2: Convert to fraction form
    378,771.80/566,754.37 = 303,664.75/x
  3. Step 3: Cross multiply
    378,771.80x = 566,754.37 × 303,664.75
  4. Step 4: Simplify right side
    378,771.80x = 172,103,321,901.41
  5. Step 5: Solve for x
    x = 172,103,321,901.41/378,771.80
  6. Step 6: Final answer
    x = 454,372.06

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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.