Home / 693,372.72-1,039,208.40-394,104

Finding the Fourth Proportional to 693,372.72, 1,039,208.40 and 394,104

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Solution

The fourth proportional to 693,372.72, 1,039,208.40 and 394,104 is: 590,672.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,372.72 : 1,039,208.40 = 394,104 : x
  2. Step 2: Convert to fraction form
    693,372.72/1,039,208.40 = 394,104/x
  3. Step 3: Cross multiply
    693,372.72x = 1,039,208.40 × 394,104
  4. Step 4: Simplify right side
    693,372.72x = 409,556,187,273.60
  5. Step 5: Solve for x
    x = 409,556,187,273.60/693,372.72
  6. Step 6: Final answer
    x = 590,672.48

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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.