Home / 639,267.26-882,187.01-352,785.30

Finding the Fourth Proportional to 639,267.26, 882,187.01 and 352,785.30

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Solution

The fourth proportional to 639,267.26, 882,187.01 and 352,785.30 is: 486,842.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,267.26 : 882,187.01 = 352,785.30 : x
  2. Step 2: Convert to fraction form
    639,267.26/882,187.01 = 352,785.30/x
  3. Step 3: Cross multiply
    639,267.26x = 882,187.01 × 352,785.30
  4. Step 4: Simplify right side
    639,267.26x = 311,222,605,229.77
  5. Step 5: Solve for x
    x = 311,222,605,229.77/639,267.26
  6. Step 6: Final answer
    x = 486,842.71

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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.