Home / 639,365.22-882,286.29-352,877.94

Finding the Fourth Proportional to 639,365.22, 882,286.29 and 352,877.94

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Solution

The fourth proportional to 639,365.22, 882,286.29 and 352,877.94 is: 486,950.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,365.22 : 882,286.29 = 352,877.94 : x
  2. Step 2: Convert to fraction form
    639,365.22/882,286.29 = 352,877.94/x
  3. Step 3: Cross multiply
    639,365.22x = 882,286.29 × 352,877.94
  4. Step 4: Simplify right side
    639,365.22x = 311,339,368,505.44
  5. Step 5: Solve for x
    x = 311,339,368,505.44/639,365.22
  6. Step 6: Final answer
    x = 486,950.74

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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.