Home / 741,007.20-1,112,029.20-320,584.80

Finding the Fourth Proportional to 741,007.20, 1,112,029.20 and 320,584.80

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Solution

The fourth proportional to 741,007.20, 1,112,029.20 and 320,584.80 is: 481,101.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,007.20 : 1,112,029.20 = 320,584.80 : x
  2. Step 2: Convert to fraction form
    741,007.20/1,112,029.20 = 320,584.80/x
  3. Step 3: Cross multiply
    741,007.20x = 1,112,029.20 × 320,584.80
  4. Step 4: Simplify right side
    741,007.20x = 356,499,658,676.16
  5. Step 5: Solve for x
    x = 356,499,658,676.16/741,007.20
  6. Step 6: Final answer
    x = 481,101.48

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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.