Home / 693,610.90-1,040,200.35-273,015.70

Finding the Fourth Proportional to 693,610.90, 1,040,200.35 and 273,015.70

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Solution

The fourth proportional to 693,610.90, 1,040,200.35 and 273,015.70 is: 409,438.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,610.90 : 1,040,200.35 = 273,015.70 : x
  2. Step 2: Convert to fraction form
    693,610.90/1,040,200.35 = 273,015.70/x
  3. Step 3: Cross multiply
    693,610.90x = 1,040,200.35 × 273,015.70
  4. Step 4: Simplify right side
    693,610.90x = 283,991,026,695.50
  5. Step 5: Solve for x
    x = 283,991,026,695.50/693,610.90
  6. Step 6: Final answer
    x = 409,438.53

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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.