Home / 809,135.70-1,214,245.29-335,821.52

Finding the Fourth Proportional to 809,135.70, 1,214,245.29 and 335,821.52

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Solution

The fourth proportional to 809,135.70, 1,214,245.29 and 335,821.52 is: 503,957.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,135.70 : 1,214,245.29 = 335,821.52 : x
  2. Step 2: Convert to fraction form
    809,135.70/1,214,245.29 = 335,821.52/x
  3. Step 3: Cross multiply
    809,135.70x = 1,214,245.29 × 335,821.52
  4. Step 4: Simplify right side
    809,135.70x = 407,769,698,940.64
  5. Step 5: Solve for x
    x = 407,769,698,940.64/809,135.70
  6. Step 6: Final answer
    x = 503,957.12

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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.