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Finding the Fourth Proportional to 557,753.44, 769,704.66 and 303,104.68

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Solution

The fourth proportional to 557,753.44, 769,704.66 and 303,104.68 is: 418,287.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,753.44 : 769,704.66 = 303,104.68 : x
  2. Step 2: Convert to fraction form
    557,753.44/769,704.66 = 303,104.68/x
  3. Step 3: Cross multiply
    557,753.44x = 769,704.66 × 303,104.68
  4. Step 4: Simplify right side
    557,753.44x = 233,301,084,663.81
  5. Step 5: Solve for x
    x = 233,301,084,663.81/557,753.44
  6. Step 6: Final answer
    x = 418,287.13

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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.