Home / 789,183.90-1,183,778.34-220,561.25

Finding the Fourth Proportional to 789,183.90, 1,183,778.34 and 220,561.25

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Solution

The fourth proportional to 789,183.90, 1,183,778.34 and 220,561.25 is: 330,842.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,183.90 : 1,183,778.34 = 220,561.25 : x
  2. Step 2: Convert to fraction form
    789,183.90/1,183,778.34 = 220,561.25/x
  3. Step 3: Cross multiply
    789,183.90x = 1,183,778.34 × 220,561.25
  4. Step 4: Simplify right side
    789,183.90x = 261,095,630,393.33
  5. Step 5: Solve for x
    x = 261,095,630,393.33/789,183.90
  6. Step 6: Final answer
    x = 330,842.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.