Home / 789,256.54-1,089,170.76-426,680.29

Finding the Fourth Proportional to 789,256.54, 1,089,170.76 and 426,680.29

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Solution

The fourth proportional to 789,256.54, 1,089,170.76 and 426,680.29 is: 588,817.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,256.54 : 1,089,170.76 = 426,680.29 : x
  2. Step 2: Convert to fraction form
    789,256.54/1,089,170.76 = 426,680.29/x
  3. Step 3: Cross multiply
    789,256.54x = 1,089,170.76 × 426,680.29
  4. Step 4: Simplify right side
    789,256.54x = 464,727,695,736.32
  5. Step 5: Solve for x
    x = 464,727,695,736.32/789,256.54
  6. Step 6: Final answer
    x = 588,817.03

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Double scale
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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.