Home / 763,610.56-1,145,414.84-194,991.37

Finding the Fourth Proportional to 763,610.56, 1,145,414.84 and 194,991.37

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Solution

The fourth proportional to 763,610.56, 1,145,414.84 and 194,991.37 is: 292,486.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,610.56 : 1,145,414.84 = 194,991.37 : x
  2. Step 2: Convert to fraction form
    763,610.56/1,145,414.84 = 194,991.37/x
  3. Step 3: Cross multiply
    763,610.56x = 1,145,414.84 × 194,991.37
  4. Step 4: Simplify right side
    763,610.56x = 223,346,012,579.84
  5. Step 5: Solve for x
    x = 223,346,012,579.84/763,610.56
  6. Step 6: Final answer
    x = 292,486.81

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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.