Home / 994,025.80-1,491,287.10-320,170.60

Finding the Fourth Proportional to 994,025.80, 1,491,287.10 and 320,170.60

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Solution

The fourth proportional to 994,025.80, 1,491,287.10 and 320,170.60 is: 480,335.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,025.80 : 1,491,287.10 = 320,170.60 : x
  2. Step 2: Convert to fraction form
    994,025.80/1,491,287.10 = 320,170.60/x
  3. Step 3: Cross multiply
    994,025.80x = 1,491,287.10 × 320,170.60
  4. Step 4: Simplify right side
    994,025.80x = 477,466,285,579.26
  5. Step 5: Solve for x
    x = 477,466,285,579.26/994,025.80
  6. Step 6: Final answer
    x = 480,335.91

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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.