Home / 809,561.84-1,214,057.52-269,671.76

Finding the Fourth Proportional to 809,561.84, 1,214,057.52 and 269,671.76

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Solution

The fourth proportional to 809,561.84, 1,214,057.52 and 269,671.76 is: 404,412.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,561.84 : 1,214,057.52 = 269,671.76 : x
  2. Step 2: Convert to fraction form
    809,561.84/1,214,057.52 = 269,671.76/x
  3. Step 3: Cross multiply
    809,561.84x = 1,214,057.52 × 269,671.76
  4. Step 4: Simplify right side
    809,561.84x = 327,397,028,159.64
  5. Step 5: Solve for x
    x = 327,397,028,159.64/809,561.84
  6. Step 6: Final answer
    x = 404,412.62

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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.