Home / 881,930.62-1,322,578.47-305,397.78

Finding the Fourth Proportional to 881,930.62, 1,322,578.47 and 305,397.78

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Solution

The fourth proportional to 881,930.62, 1,322,578.47 and 305,397.78 is: 457,986.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,930.62 : 1,322,578.47 = 305,397.78 : x
  2. Step 2: Convert to fraction form
    881,930.62/1,322,578.47 = 305,397.78/x
  3. Step 3: Cross multiply
    881,930.62x = 1,322,578.47 × 305,397.78
  4. Step 4: Simplify right side
    881,930.62x = 403,912,520,473.92
  5. Step 5: Solve for x
    x = 403,912,520,473.92/881,930.62
  6. Step 6: Final answer
    x = 457,986.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.