Home / 839,644.49-1,259,645.65-271,057.91

Finding the Fourth Proportional to 839,644.49, 1,259,645.65 and 271,057.91

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Solution

The fourth proportional to 839,644.49, 1,259,645.65 and 271,057.91 is: 406,644.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,644.49 : 1,259,645.65 = 271,057.91 : x
  2. Step 2: Convert to fraction form
    839,644.49/1,259,645.65 = 271,057.91/x
  3. Step 3: Cross multiply
    839,644.49x = 1,259,645.65 × 271,057.91
  4. Step 4: Simplify right side
    839,644.49x = 341,436,910,253.72
  5. Step 5: Solve for x
    x = 341,436,910,253.72/839,644.49
  6. Step 6: Final answer
    x = 406,644.61

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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.