Home / 789,773.78-1,089,887.96-427,197.53

Finding the Fourth Proportional to 789,773.78, 1,089,887.96 and 427,197.53

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Solution

The fourth proportional to 789,773.78, 1,089,887.96 and 427,197.53 is: 589,532.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,773.78 : 1,089,887.96 = 427,197.53 : x
  2. Step 2: Convert to fraction form
    789,773.78/1,089,887.96 = 427,197.53/x
  3. Step 3: Cross multiply
    789,773.78x = 1,089,887.96 × 427,197.53
  4. Step 4: Simplify right side
    789,773.78x = 465,597,436,903.31
  5. Step 5: Solve for x
    x = 465,597,436,903.31/789,773.78
  6. Step 6: Final answer
    x = 589,532.66

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1.5x scale

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.