Home / 789,140.73-1,089,025.70-444,993.20

Finding the Fourth Proportional to 789,140.73, 1,089,025.70 and 444,993.20

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Solution

The fourth proportional to 789,140.73, 1,089,025.70 and 444,993.20 is: 614,097.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,140.73 : 1,089,025.70 = 444,993.20 : x
  2. Step 2: Convert to fraction form
    789,140.73/1,089,025.70 = 444,993.20/x
  3. Step 3: Cross multiply
    789,140.73x = 1,089,025.70 × 444,993.20
  4. Step 4: Simplify right side
    789,140.73x = 484,609,023,455.15
  5. Step 5: Solve for x
    x = 484,609,023,455.15/789,140.73
  6. Step 6: Final answer
    x = 614,097.09

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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.