Home / 503,422.85-694,723.64-273,981.03

Finding the Fourth Proportional to 503,422.85, 694,723.64 and 273,981.03

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Solution

The fourth proportional to 503,422.85, 694,723.64 and 273,981.03 is: 378,093.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,422.85 : 694,723.64 = 273,981.03 : x
  2. Step 2: Convert to fraction form
    503,422.85/694,723.64 = 273,981.03/x
  3. Step 3: Cross multiply
    503,422.85x = 694,723.64 × 273,981.03
  4. Step 4: Simplify right side
    503,422.85x = 190,341,097,082.64
  5. Step 5: Solve for x
    x = 190,341,097,082.64/503,422.85
  6. Step 6: Final answer
    x = 378,093.88

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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.