Home / 793,991.80-1,190,979.78-320,670.64

Finding the Fourth Proportional to 793,991.80, 1,190,979.78 and 320,670.64

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Solution

The fourth proportional to 793,991.80, 1,190,979.78 and 320,670.64 is: 481,002.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,991.80 : 1,190,979.78 = 320,670.64 : x
  2. Step 2: Convert to fraction form
    793,991.80/1,190,979.78 = 320,670.64/x
  3. Step 3: Cross multiply
    793,991.80x = 1,190,979.78 × 320,670.64
  4. Step 4: Simplify right side
    793,991.80x = 381,912,248,279.66
  5. Step 5: Solve for x
    x = 381,912,248,279.66/793,991.80
  6. Step 6: Final answer
    x = 481,002.76

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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.