Home / 839,930.25-1,260,073.98-271,343.97

Finding the Fourth Proportional to 839,930.25, 1,260,073.98 and 271,343.97

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Solution

The fourth proportional to 839,930.25, 1,260,073.98 and 271,343.97 is: 407,073.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,930.25 : 1,260,073.98 = 271,343.97 : x
  2. Step 2: Convert to fraction form
    839,930.25/1,260,073.98 = 271,343.97/x
  3. Step 3: Cross multiply
    839,930.25x = 1,260,073.98 × 271,343.97
  4. Step 4: Simplify right side
    839,930.25x = 341,913,476,226.90
  5. Step 5: Solve for x
    x = 341,913,476,226.90/839,930.25
  6. Step 6: Final answer
    x = 407,073.65

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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.