Home / 809,042.10-1,212,710.04-269,154.17

Finding the Fourth Proportional to 809,042.10, 1,212,710.04 and 269,154.17

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Solution

The fourth proportional to 809,042.10, 1,212,710.04 and 269,154.17 is: 403,447.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,042.10 : 1,212,710.04 = 269,154.17 : x
  2. Step 2: Convert to fraction form
    809,042.10/1,212,710.04 = 269,154.17/x
  3. Step 3: Cross multiply
    809,042.10x = 1,212,710.04 × 269,154.17
  4. Step 4: Simplify right side
    809,042.10x = 326,405,958,203.32
  5. Step 5: Solve for x
    x = 326,405,958,203.32/809,042.10
  6. Step 6: Final answer
    x = 403,447.43

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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.