Home / 965,115.38-1,446,731.53-459,540.56

Finding the Fourth Proportional to 965,115.38, 1,446,731.53 and 459,540.56

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Solution

The fourth proportional to 965,115.38, 1,446,731.53 and 459,540.56 is: 688,862.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,115.38 : 1,446,731.53 = 459,540.56 : x
  2. Step 2: Convert to fraction form
    965,115.38/1,446,731.53 = 459,540.56/x
  3. Step 3: Cross multiply
    965,115.38x = 1,446,731.53 × 459,540.56
  4. Step 4: Simplify right side
    965,115.38x = 664,831,811,753.40
  5. Step 5: Solve for x
    x = 664,831,811,753.40/965,115.38
  6. Step 6: Final answer
    x = 688,862.52

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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.