Home / 494,331.36-682,150.80-279,458.64

Finding the Fourth Proportional to 494,331.36, 682,150.80 and 279,458.64

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Solution

The fourth proportional to 494,331.36, 682,150.80 and 279,458.64 is: 385,637.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,331.36 : 682,150.80 = 279,458.64 : x
  2. Step 2: Convert to fraction form
    494,331.36/682,150.80 = 279,458.64/x
  3. Step 3: Cross multiply
    494,331.36x = 682,150.80 × 279,458.64
  4. Step 4: Simplify right side
    494,331.36x = 190,632,934,842.91
  5. Step 5: Solve for x
    x = 190,632,934,842.91/494,331.36
  6. Step 6: Final answer
    x = 385,637.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.