Home / 809,273.80-1,214,396.70-335,909.80

Finding the Fourth Proportional to 809,273.80, 1,214,396.70 and 335,909.80

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Solution

The fourth proportional to 809,273.80, 1,214,396.70 and 335,909.80 is: 504,066.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,273.80 : 1,214,396.70 = 335,909.80 : x
  2. Step 2: Convert to fraction form
    809,273.80/1,214,396.70 = 335,909.80/x
  3. Step 3: Cross multiply
    809,273.80x = 1,214,396.70 × 335,909.80
  4. Step 4: Simplify right side
    809,273.80x = 407,927,752,617.66
  5. Step 5: Solve for x
    x = 407,927,752,617.66/809,273.80
  6. Step 6: Final answer
    x = 504,066.43

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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.