Home / 693,600.40-1,040,184.60-273,005.20

Finding the Fourth Proportional to 693,600.40, 1,040,184.60 and 273,005.20

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Solution

The fourth proportional to 693,600.40, 1,040,184.60 and 273,005.20 is: 409,422.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,600.40 : 1,040,184.60 = 273,005.20 : x
  2. Step 2: Convert to fraction form
    693,600.40/1,040,184.60 = 273,005.20/x
  3. Step 3: Cross multiply
    693,600.40x = 1,040,184.60 × 273,005.20
  4. Step 4: Simplify right side
    693,600.40x = 283,975,804,759.92
  5. Step 5: Solve for x
    x = 283,975,804,759.92/693,600.40
  6. Step 6: Final answer
    x = 409,422.78

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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.