Home / 780,222.72-1,170,334.08-274,664.64

Finding the Fourth Proportional to 780,222.72, 1,170,334.08 and 274,664.64

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Solution

The fourth proportional to 780,222.72, 1,170,334.08 and 274,664.64 is: 411,996.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,222.72 : 1,170,334.08 = 274,664.64 : x
  2. Step 2: Convert to fraction form
    780,222.72/1,170,334.08 = 274,664.64/x
  3. Step 3: Cross multiply
    780,222.72x = 1,170,334.08 × 274,664.64
  4. Step 4: Simplify right side
    780,222.72x = 321,449,388,762.93
  5. Step 5: Solve for x
    x = 321,449,388,762.93/780,222.72
  6. Step 6: Final answer
    x = 411,996.96

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Similar ratio
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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.