Home / 639,201.26-882,067.77-367,077.30

Finding the Fourth Proportional to 639,201.26, 882,067.77 and 367,077.30

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Solution

The fourth proportional to 639,201.26, 882,067.77 and 367,077.30 is: 506,549.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,201.26 : 882,067.77 = 367,077.30 : x
  2. Step 2: Convert to fraction form
    639,201.26/882,067.77 = 367,077.30/x
  3. Step 3: Cross multiply
    639,201.26x = 882,067.77 × 367,077.30
  4. Step 4: Simplify right side
    639,201.26x = 323,787,055,428.62
  5. Step 5: Solve for x
    x = 323,787,055,428.62/639,201.26
  6. Step 6: Final answer
    x = 506,549.47

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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.