Home / 789,771.67-1,089,791.01-445,587.48

Finding the Fourth Proportional to 789,771.67, 1,089,791.01 and 445,587.48

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Solution

The fourth proportional to 789,771.67, 1,089,791.01 and 445,587.48 is: 614,857.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,771.67 : 1,089,791.01 = 445,587.48 : x
  2. Step 2: Convert to fraction form
    789,771.67/1,089,791.01 = 445,587.48/x
  3. Step 3: Cross multiply
    789,771.67x = 1,089,791.01 × 445,587.48
  4. Step 4: Simplify right side
    789,771.67x = 485,597,229,872.56
  5. Step 5: Solve for x
    x = 485,597,229,872.56/789,771.67
  6. Step 6: Final answer
    x = 614,857.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.