Home / 789,760.26-1,089,869.29-427,183.96

Finding the Fourth Proportional to 789,760.26, 1,089,869.29 and 427,183.96

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Solution

The fourth proportional to 789,760.26, 1,089,869.29 and 427,183.96 is: 589,513.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,760.26 : 1,089,869.29 = 427,183.96 : x
  2. Step 2: Convert to fraction form
    789,760.26/1,089,869.29 = 427,183.96/x
  3. Step 3: Cross multiply
    789,760.26x = 1,089,869.29 × 427,183.96
  4. Step 4: Simplify right side
    789,760.26x = 465,574,679,184.59
  5. Step 5: Solve for x
    x = 465,574,679,184.59/789,760.26
  6. Step 6: Final answer
    x = 589,513.94

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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.