Home / 809,381.70-1,214,072.55-797,571.90

Finding the Fourth Proportional to 809,381.70, 1,214,072.55 and 797,571.90

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Solution

The fourth proportional to 809,381.70, 1,214,072.55 and 797,571.90 is: 1,196,357.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,381.70 : 1,214,072.55 = 797,571.90 : x
  2. Step 2: Convert to fraction form
    809,381.70/1,214,072.55 = 797,571.90/x
  3. Step 3: Cross multiply
    809,381.70x = 1,214,072.55 × 797,571.90
  4. Step 4: Simplify right side
    809,381.70x = 968,310,150,441.35
  5. Step 5: Solve for x
    x = 968,310,150,441.35/809,381.70
  6. Step 6: Final answer
    x = 1,196,357.85

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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.