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Finding the Fourth Proportional to 576,179.87, 795,149.87 and 321,580.26

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Solution

The fourth proportional to 576,179.87, 795,149.87 and 321,580.26 is: 443,792.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,179.87 : 795,149.87 = 321,580.26 : x
  2. Step 2: Convert to fraction form
    576,179.87/795,149.87 = 321,580.26/x
  3. Step 3: Cross multiply
    576,179.87x = 795,149.87 × 321,580.26
  4. Step 4: Simplify right side
    576,179.87x = 255,704,500,325.67
  5. Step 5: Solve for x
    x = 255,704,500,325.67/576,179.87
  6. Step 6: Final answer
    x = 443,792.84

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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.