Home / 808,687.26-1,212,768.18-268,798.50

Finding the Fourth Proportional to 808,687.26, 1,212,768.18 and 268,798.50

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Solution

The fourth proportional to 808,687.26, 1,212,768.18 and 268,798.50 is: 403,110.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,687.26 : 1,212,768.18 = 268,798.50 : x
  2. Step 2: Convert to fraction form
    808,687.26/1,212,768.18 = 268,798.50/x
  3. Step 3: Cross multiply
    808,687.26x = 1,212,768.18 × 268,798.50
  4. Step 4: Simplify right side
    808,687.26x = 325,990,267,631.73
  5. Step 5: Solve for x
    x = 325,990,267,631.73/808,687.26
  6. Step 6: Final answer
    x = 403,110.43

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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.