Home / 699,649.28-1,049,548.91-194,212.38

Finding the Fourth Proportional to 699,649.28, 1,049,548.91 and 194,212.38

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Solution

The fourth proportional to 699,649.28, 1,049,548.91 and 194,212.38 is: 291,339.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,649.28 : 1,049,548.91 = 194,212.38 : x
  2. Step 2: Convert to fraction form
    699,649.28/1,049,548.91 = 194,212.38/x
  3. Step 3: Cross multiply
    699,649.28x = 1,049,548.91 × 194,212.38
  4. Step 4: Simplify right side
    699,649.28x = 203,835,390,766.44
  5. Step 5: Solve for x
    x = 203,835,390,766.44/699,649.28
  6. Step 6: Final answer
    x = 291,339.39

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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.