Home / 789,604.07-1,089,650.47-427,028.31

Finding the Fourth Proportional to 789,604.07, 1,089,650.47 and 427,028.31

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Solution

The fourth proportional to 789,604.07, 1,089,650.47 and 427,028.31 is: 589,297.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,604.07 : 1,089,650.47 = 427,028.31 : x
  2. Step 2: Convert to fraction form
    789,604.07/1,089,650.47 = 427,028.31/x
  3. Step 3: Cross multiply
    789,604.07x = 1,089,650.47 × 427,028.31
  4. Step 4: Simplify right side
    789,604.07x = 465,311,598,694.81
  5. Step 5: Solve for x
    x = 465,311,598,694.81/789,604.07
  6. Step 6: Final answer
    x = 589,297.37

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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.