Home / 789,599.57-1,089,644.27-427,023.81

Finding the Fourth Proportional to 789,599.57, 1,089,644.27 and 427,023.81

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Solution

The fourth proportional to 789,599.57, 1,089,644.27 and 427,023.81 is: 589,291.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,599.57 : 1,089,644.27 = 427,023.81 : x
  2. Step 2: Convert to fraction form
    789,599.57/1,089,644.27 = 427,023.81/x
  3. Step 3: Cross multiply
    789,599.57x = 1,089,644.27 × 427,023.81
  4. Step 4: Simplify right side
    789,599.57x = 465,304,045,584.95
  5. Step 5: Solve for x
    x = 465,304,045,584.95/789,599.57
  6. Step 6: Final answer
    x = 589,291.16

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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.