Home / 789,763.27-1,089,873.42-427,186.96

Finding the Fourth Proportional to 789,763.27, 1,089,873.42 and 427,186.96

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Solution

The fourth proportional to 789,763.27, 1,089,873.42 and 427,186.96 is: 589,518.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,763.27 : 1,089,873.42 = 427,186.96 : x
  2. Step 2: Convert to fraction form
    789,763.27/1,089,873.42 = 427,186.96/x
  3. Step 3: Cross multiply
    789,763.27x = 1,089,873.42 × 427,186.96
  4. Step 4: Simplify right side
    789,763.27x = 465,579,713,074.60
  5. Step 5: Solve for x
    x = 465,579,713,074.60/789,763.27
  6. Step 6: Final answer
    x = 589,518.06

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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.