Home / 789,396.69-1,184,169.63-220,777.62

Finding the Fourth Proportional to 789,396.69, 1,184,169.63 and 220,777.62

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Solution

The fourth proportional to 789,396.69, 1,184,169.63 and 220,777.62 is: 331,187.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,396.69 : 1,184,169.63 = 220,777.62 : x
  2. Step 2: Convert to fraction form
    789,396.69/1,184,169.63 = 220,777.62/x
  3. Step 3: Cross multiply
    789,396.69x = 1,184,169.63 × 220,777.62
  4. Step 4: Simplify right side
    789,396.69x = 261,438,152,587.68
  5. Step 5: Solve for x
    x = 261,438,152,587.68/789,396.69
  6. Step 6: Final answer
    x = 331,187.29

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Double scale
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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.