Home / 426,251.84-639,047.26-276,175.04

Finding the Fourth Proportional to 426,251.84, 639,047.26 and 276,175.04

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Solution

The fourth proportional to 426,251.84, 639,047.26 and 276,175.04 is: 414,048.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,251.84 : 639,047.26 = 276,175.04 : x
  2. Step 2: Convert to fraction form
    426,251.84/639,047.26 = 276,175.04/x
  3. Step 3: Cross multiply
    426,251.84x = 639,047.26 × 276,175.04
  4. Step 4: Simplify right side
    426,251.84x = 176,488,902,592.39
  5. Step 5: Solve for x
    x = 176,488,902,592.39/426,251.84
  6. Step 6: Final answer
    x = 414,048.42

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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.