Home / 494,850.20-741,619.20-438,425.60

Finding the Fourth Proportional to 494,850.20, 741,619.20 and 438,425.60

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Solution

The fourth proportional to 494,850.20, 741,619.20 and 438,425.60 is: 657,057.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,850.20 : 741,619.20 = 438,425.60 : x
  2. Step 2: Convert to fraction form
    494,850.20/741,619.20 = 438,425.60/x
  3. Step 3: Cross multiply
    494,850.20x = 741,619.20 × 438,425.60
  4. Step 4: Simplify right side
    494,850.20x = 325,144,842,731.52
  5. Step 5: Solve for x
    x = 325,144,842,731.52/494,850.20
  6. Step 6: Final answer
    x = 657,057.11

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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.