Home / 693,611.40-1,040,201.10-273,016.20

Finding the Fourth Proportional to 693,611.40, 1,040,201.10 and 273,016.20

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Solution

The fourth proportional to 693,611.40, 1,040,201.10 and 273,016.20 is: 409,439.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,611.40 : 1,040,201.10 = 273,016.20 : x
  2. Step 2: Convert to fraction form
    693,611.40/1,040,201.10 = 273,016.20/x
  3. Step 3: Cross multiply
    693,611.40x = 1,040,201.10 × 273,016.20
  4. Step 4: Simplify right side
    693,611.40x = 283,991,751,557.82
  5. Step 5: Solve for x
    x = 283,991,751,557.82/693,611.40
  6. Step 6: Final answer
    x = 409,439.28

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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.