Home / 816,571.98-1,224,778.77-247,958.01

Finding the Fourth Proportional to 816,571.98, 1,224,778.77 and 247,958.01

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Solution

The fourth proportional to 816,571.98, 1,224,778.77 and 247,958.01 is: 371,912.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,571.98 : 1,224,778.77 = 247,958.01 : x
  2. Step 2: Convert to fraction form
    816,571.98/1,224,778.77 = 247,958.01/x
  3. Step 3: Cross multiply
    816,571.98x = 1,224,778.77 × 247,958.01
  4. Step 4: Simplify right side
    816,571.98x = 303,693,706,499.45
  5. Step 5: Solve for x
    x = 303,693,706,499.45/816,571.98
  6. Step 6: Final answer
    x = 371,912.97

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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.