Home / 673,245.33-1,008,995.46-273,421.64

Finding the Fourth Proportional to 673,245.33, 1,008,995.46 and 273,421.64

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Solution

The fourth proportional to 673,245.33, 1,008,995.46 and 273,421.64 is: 409,778.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,245.33 : 1,008,995.46 = 273,421.64 : x
  2. Step 2: Convert to fraction form
    673,245.33/1,008,995.46 = 273,421.64/x
  3. Step 3: Cross multiply
    673,245.33x = 1,008,995.46 × 273,421.64
  4. Step 4: Simplify right side
    673,245.33x = 275,881,188,380.78
  5. Step 5: Solve for x
    x = 275,881,188,380.78/673,245.33
  6. Step 6: Final answer
    x = 409,778.09

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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.