Home / 628,723.40-942,556.16-273,469.88

Finding the Fourth Proportional to 628,723.40, 942,556.16 and 273,469.88

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Solution

The fourth proportional to 628,723.40, 942,556.16 and 273,469.88 is: 409,974.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,723.40 : 942,556.16 = 273,469.88 : x
  2. Step 2: Convert to fraction form
    628,723.40/942,556.16 = 273,469.88/x
  3. Step 3: Cross multiply
    628,723.40x = 942,556.16 × 273,469.88
  4. Step 4: Simplify right side
    628,723.40x = 257,760,719,968.46
  5. Step 5: Solve for x
    x = 257,760,719,968.46/628,723.40
  6. Step 6: Final answer
    x = 409,974.75

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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.