Home / 806,839.58-1,210,370.31-274,217.66

Finding the Fourth Proportional to 806,839.58, 1,210,370.31 and 274,217.66

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Solution

The fourth proportional to 806,839.58, 1,210,370.31 and 274,217.66 is: 411,364.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,839.58 : 1,210,370.31 = 274,217.66 : x
  2. Step 2: Convert to fraction form
    806,839.58/1,210,370.31 = 274,217.66/x
  3. Step 3: Cross multiply
    806,839.58x = 1,210,370.31 × 274,217.66
  4. Step 4: Simplify right side
    806,839.58x = 331,904,914,141.68
  5. Step 5: Solve for x
    x = 331,904,914,141.68/806,839.58
  6. Step 6: Final answer
    x = 411,364.19

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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.