Home / 809,043.10-1,212,711.54-269,155.17

Finding the Fourth Proportional to 809,043.10, 1,212,711.54 and 269,155.17

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Solution

The fourth proportional to 809,043.10, 1,212,711.54 and 269,155.17 is: 403,448.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,043.10 : 1,212,711.54 = 269,155.17 : x
  2. Step 2: Convert to fraction form
    809,043.10/1,212,711.54 = 269,155.17/x
  3. Step 3: Cross multiply
    809,043.10x = 1,212,711.54 × 269,155.17
  4. Step 4: Simplify right side
    809,043.10x = 326,407,580,709.66
  5. Step 5: Solve for x
    x = 326,407,580,709.66/809,043.10
  6. Step 6: Final answer
    x = 403,448.94

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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.