Home / 863,245.44-1,295,120.88-442,814.40

Finding the Fourth Proportional to 863,245.44, 1,295,120.88 and 442,814.40

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Solution

The fourth proportional to 863,245.44, 1,295,120.88 and 442,814.40 is: 664,351.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,245.44 : 1,295,120.88 = 442,814.40 : x
  2. Step 2: Convert to fraction form
    863,245.44/1,295,120.88 = 442,814.40/x
  3. Step 3: Cross multiply
    863,245.44x = 1,295,120.88 × 442,814.40
  4. Step 4: Simplify right side
    863,245.44x = 573,498,175,404.67
  5. Step 5: Solve for x
    x = 573,498,175,404.67/863,245.44
  6. Step 6: Final answer
    x = 664,351.24

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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.