Home / 557,792.88-769,819.68-331,438.56

Finding the Fourth Proportional to 557,792.88, 769,819.68 and 331,438.56

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Solution

The fourth proportional to 557,792.88, 769,819.68 and 331,438.56 is: 457,424.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,792.88 : 769,819.68 = 331,438.56 : x
  2. Step 2: Convert to fraction form
    557,792.88/769,819.68 = 331,438.56/x
  3. Step 3: Cross multiply
    557,792.88x = 769,819.68 × 331,438.56
  4. Step 4: Simplify right side
    557,792.88x = 255,147,926,198.86
  5. Step 5: Solve for x
    x = 255,147,926,198.86/557,792.88
  6. Step 6: Final answer
    x = 457,424.14

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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.