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Finding the Fourth Proportional to 557,754.44, 769,706.04 and 303,105.68

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Solution

The fourth proportional to 557,754.44, 769,706.04 and 303,105.68 is: 418,288.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,754.44 : 769,706.04 = 303,105.68 : x
  2. Step 2: Convert to fraction form
    557,754.44/769,706.04 = 303,105.68/x
  3. Step 3: Cross multiply
    557,754.44x = 769,706.04 × 303,105.68
  4. Step 4: Simplify right side
    557,754.44x = 233,302,272,654.31
  5. Step 5: Solve for x
    x = 233,302,272,654.31/557,754.44
  6. Step 6: Final answer
    x = 418,288.51

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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.