Home / 809,278.80-1,214,404.20-335,914.80

Finding the Fourth Proportional to 809,278.80, 1,214,404.20 and 335,914.80

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Solution

The fourth proportional to 809,278.80, 1,214,404.20 and 335,914.80 is: 504,073.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,278.80 : 1,214,404.20 = 335,914.80 : x
  2. Step 2: Convert to fraction form
    809,278.80/1,214,404.20 = 335,914.80/x
  3. Step 3: Cross multiply
    809,278.80x = 1,214,404.20 × 335,914.80
  4. Step 4: Simplify right side
    809,278.80x = 407,936,343,962.16
  5. Step 5: Solve for x
    x = 407,936,343,962.16/809,278.80
  6. Step 6: Final answer
    x = 504,073.93

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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.