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Finding the Fourth Proportional to 576,311.78, 795,236.91 and 321,673.70

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Solution

The fourth proportional to 576,311.78, 795,236.91 and 321,673.70 is: 443,868.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,311.78 : 795,236.91 = 321,673.70 : x
  2. Step 2: Convert to fraction form
    576,311.78/795,236.91 = 321,673.70/x
  3. Step 3: Cross multiply
    576,311.78x = 795,236.91 × 321,673.70
  4. Step 4: Simplify right side
    576,311.78x = 255,806,799,998.08
  5. Step 5: Solve for x
    x = 255,806,799,998.08/576,311.78
  6. Step 6: Final answer
    x = 443,868.77

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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.