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Finding the Fourth Proportional to 557,658.57, 769,575.83 and 303,014.01

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Solution

The fourth proportional to 557,658.57, 769,575.83 and 303,014.01 is: 418,163.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,658.57 : 769,575.83 = 303,014.01 : x
  2. Step 2: Convert to fraction form
    557,658.57/769,575.83 = 303,014.01/x
  3. Step 3: Cross multiply
    557,658.57x = 769,575.83 × 303,014.01
  4. Step 4: Simplify right side
    557,658.57x = 233,192,256,732.31
  5. Step 5: Solve for x
    x = 233,192,256,732.31/557,658.57
  6. Step 6: Final answer
    x = 418,163.14

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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.