Home / 789,600.57-1,089,645.64-427,024.81

Finding the Fourth Proportional to 789,600.57, 1,089,645.64 and 427,024.81

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Solution

The fourth proportional to 789,600.57, 1,089,645.64 and 427,024.81 is: 589,292.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,600.57 : 1,089,645.64 = 427,024.81 : x
  2. Step 2: Convert to fraction form
    789,600.57/1,089,645.64 = 427,024.81/x
  3. Step 3: Cross multiply
    789,600.57x = 1,089,645.64 × 427,024.81
  4. Step 4: Simplify right side
    789,600.57x = 465,305,722,388.33
  5. Step 5: Solve for x
    x = 465,305,722,388.33/789,600.57
  6. Step 6: Final answer
    x = 589,292.54

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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.