Home / 669,671.44-1,004,589.76-220,276.96

Finding the Fourth Proportional to 669,671.44, 1,004,589.76 and 220,276.96

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Solution

The fourth proportional to 669,671.44, 1,004,589.76 and 220,276.96 is: 330,442.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,671.44 : 1,004,589.76 = 220,276.96 : x
  2. Step 2: Convert to fraction form
    669,671.44/1,004,589.76 = 220,276.96/x
  3. Step 3: Cross multiply
    669,671.44x = 1,004,589.76 × 220,276.96
  4. Step 4: Simplify right side
    669,671.44x = 221,287,978,379.93
  5. Step 5: Solve for x
    x = 221,287,978,379.93/669,671.44
  6. Step 6: Final answer
    x = 330,442.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.