Home / 789,762.27-1,089,872.04-427,185.96

Finding the Fourth Proportional to 789,762.27, 1,089,872.04 and 427,185.96

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Solution

The fourth proportional to 789,762.27, 1,089,872.04 and 427,185.96 is: 589,516.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,762.27 : 1,089,872.04 = 427,185.96 : x
  2. Step 2: Convert to fraction form
    789,762.27/1,089,872.04 = 427,185.96/x
  3. Step 3: Cross multiply
    789,762.27x = 1,089,872.04 × 427,185.96
  4. Step 4: Simplify right side
    789,762.27x = 465,578,033,684.56
  5. Step 5: Solve for x
    x = 465,578,033,684.56/789,762.27
  6. Step 6: Final answer
    x = 589,516.68

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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.