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Finding the Fourth Proportional to 557,651.18, 769,563.32 and 303,002.37

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Solution

The fourth proportional to 557,651.18, 769,563.32 and 303,002.37 is: 418,145.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,651.18 : 769,563.32 = 303,002.37 : x
  2. Step 2: Convert to fraction form
    557,651.18/769,563.32 = 303,002.37/x
  3. Step 3: Cross multiply
    557,651.18x = 769,563.32 × 303,002.37
  4. Step 4: Simplify right side
    557,651.18x = 233,179,504,462.24
  5. Step 5: Solve for x
    x = 233,179,504,462.24/557,651.18
  6. Step 6: Final answer
    x = 418,145.81

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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.