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Finding the Fourth Proportional to 576,394.05, 795,390.80 and 321,761.37

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Solution

The fourth proportional to 576,394.05, 795,390.80 and 321,761.37 is: 444,012.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,394.05 : 795,390.80 = 321,761.37 : x
  2. Step 2: Convert to fraction form
    576,394.05/795,390.80 = 321,761.37/x
  3. Step 3: Cross multiply
    576,394.05x = 795,390.80 × 321,761.37
  4. Step 4: Simplify right side
    576,394.05x = 255,926,031,884.59
  5. Step 5: Solve for x
    x = 255,926,031,884.59/576,394.05
  6. Step 6: Final answer
    x = 444,012.27

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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.