Home / 809,213.80-1,214,306.70-335,849.80

Finding the Fourth Proportional to 809,213.80, 1,214,306.70 and 335,849.80

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Solution

The fourth proportional to 809,213.80, 1,214,306.70 and 335,849.80 is: 503,976.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,213.80 : 1,214,306.70 = 335,849.80 : x
  2. Step 2: Convert to fraction form
    809,213.80/1,214,306.70 = 335,849.80/x
  3. Step 3: Cross multiply
    809,213.80x = 1,214,306.70 × 335,849.80
  4. Step 4: Simplify right side
    809,213.80x = 407,824,662,333.66
  5. Step 5: Solve for x
    x = 407,824,662,333.66/809,213.80
  6. Step 6: Final answer
    x = 503,976.41

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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.