Home / 789,600.12-1,089,651.47-427,023.96

Finding the Fourth Proportional to 789,600.12, 1,089,651.47 and 427,023.96

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Solution

The fourth proportional to 789,600.12, 1,089,651.47 and 427,023.96 is: 589,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,600.12 : 1,089,651.47 = 427,023.96 : x
  2. Step 2: Convert to fraction form
    789,600.12/1,089,651.47 = 427,023.96/x
  3. Step 3: Cross multiply
    789,600.12x = 1,089,651.47 × 427,023.96
  4. Step 4: Simplify right side
    789,600.12x = 465,307,285,739.22
  5. Step 5: Solve for x
    x = 465,307,285,739.22/789,600.12
  6. Step 6: Final answer
    x = 589,294.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.