Home / 951,745.40-1,427,716.53-320,708.42

Finding the Fourth Proportional to 951,745.40, 1,427,716.53 and 320,708.42

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Solution

The fourth proportional to 951,745.40, 1,427,716.53 and 320,708.42 is: 481,095.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,745.40 : 1,427,716.53 = 320,708.42 : x
  2. Step 2: Convert to fraction form
    951,745.40/1,427,716.53 = 320,708.42/x
  3. Step 3: Cross multiply
    951,745.40x = 1,427,716.53 × 320,708.42
  4. Step 4: Simplify right side
    951,745.40x = 457,880,705,405.60
  5. Step 5: Solve for x
    x = 457,880,705,405.60/951,745.40
  6. Step 6: Final answer
    x = 481,095.79

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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.