Home / 494,891.20-741,680.70-438,466.60

Finding the Fourth Proportional to 494,891.20, 741,680.70 and 438,466.60

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Solution

The fourth proportional to 494,891.20, 741,680.70 and 438,466.60 is: 657,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,891.20 : 741,680.70 = 438,466.60 : x
  2. Step 2: Convert to fraction form
    494,891.20/741,680.70 = 438,466.60/x
  3. Step 3: Cross multiply
    494,891.20x = 741,680.70 × 438,466.60
  4. Step 4: Simplify right side
    494,891.20x = 325,202,214,814.62
  5. Step 5: Solve for x
    x = 325,202,214,814.62/494,891.20
  6. Step 6: Final answer
    x = 657,118.60

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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.