Home / 789,575.62-1,089,622.96-427,006.56

Finding the Fourth Proportional to 789,575.62, 1,089,622.96 and 427,006.56

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Solution

The fourth proportional to 789,575.62, 1,089,622.96 and 427,006.56 is: 589,273.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,575.62 : 1,089,622.96 = 427,006.56 : x
  2. Step 2: Convert to fraction form
    789,575.62/1,089,622.96 = 427,006.56/x
  3. Step 3: Cross multiply
    789,575.62x = 1,089,622.96 × 427,006.56
  4. Step 4: Simplify right side
    789,575.62x = 465,276,151,846.62
  5. Step 5: Solve for x
    x = 465,276,151,846.62/789,575.62
  6. Step 6: Final answer
    x = 589,273.71

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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.