Home / 789,540.62-1,089,566.52-426,964.46

Finding the Fourth Proportional to 789,540.62, 1,089,566.52 and 426,964.46

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Solution

The fourth proportional to 789,540.62, 1,089,566.52 and 426,964.46 is: 589,211.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,540.62 : 1,089,566.52 = 426,964.46 : x
  2. Step 2: Convert to fraction form
    789,540.62/1,089,566.52 = 426,964.46/x
  3. Step 3: Cross multiply
    789,540.62x = 1,089,566.52 × 426,964.46
  4. Step 4: Simplify right side
    789,540.62x = 465,206,180,845.88
  5. Step 5: Solve for x
    x = 465,206,180,845.88/789,540.62
  6. Step 6: Final answer
    x = 589,211.21

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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.