Home / 789,450.05-1,089,440.28-426,873.04

Finding the Fourth Proportional to 789,450.05, 1,089,440.28 and 426,873.04

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Solution

The fourth proportional to 789,450.05, 1,089,440.28 and 426,873.04 is: 589,084.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,450.05 : 1,089,440.28 = 426,873.04 : x
  2. Step 2: Convert to fraction form
    789,450.05/1,089,440.28 = 426,873.04/x
  3. Step 3: Cross multiply
    789,450.05x = 1,089,440.28 × 426,873.04
  4. Step 4: Simplify right side
    789,450.05x = 465,052,681,498.45
  5. Step 5: Solve for x
    x = 465,052,681,498.45/789,450.05
  6. Step 6: Final answer
    x = 589,084.37

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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.