Home / 809,234.80-1,214,338.20-335,870.80

Finding the Fourth Proportional to 809,234.80, 1,214,338.20 and 335,870.80

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Solution

The fourth proportional to 809,234.80, 1,214,338.20 and 335,870.80 is: 504,007.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,234.80 : 1,214,338.20 = 335,870.80 : x
  2. Step 2: Convert to fraction form
    809,234.80/1,214,338.20 = 335,870.80/x
  3. Step 3: Cross multiply
    809,234.80x = 1,214,338.20 × 335,870.80
  4. Step 4: Simplify right side
    809,234.80x = 407,860,742,704.56
  5. Step 5: Solve for x
    x = 407,860,742,704.56/809,234.80
  6. Step 6: Final answer
    x = 504,007.91

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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.