Home / 789,759.26-1,089,867.91-427,182.96

Finding the Fourth Proportional to 789,759.26, 1,089,867.91 and 427,182.96

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Solution

The fourth proportional to 789,759.26, 1,089,867.91 and 427,182.96 is: 589,512.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,759.26 : 1,089,867.91 = 427,182.96 : x
  2. Step 2: Convert to fraction form
    789,759.26/1,089,867.91 = 427,182.96/x
  3. Step 3: Cross multiply
    789,759.26x = 1,089,867.91 × 427,182.96
  4. Step 4: Simplify right side
    789,759.26x = 465,573,003,622.83
  5. Step 5: Solve for x
    x = 465,573,003,622.83/789,759.26
  6. Step 6: Final answer
    x = 589,512.56

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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.