Home / 930,542.05-1,395,050.25-331,161.90

Finding the Fourth Proportional to 930,542.05, 1,395,050.25 and 331,161.90

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Solution

The fourth proportional to 930,542.05, 1,395,050.25 and 331,161.90 is: 496,471.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,542.05 : 1,395,050.25 = 331,161.90 : x
  2. Step 2: Convert to fraction form
    930,542.05/1,395,050.25 = 331,161.90/x
  3. Step 3: Cross multiply
    930,542.05x = 1,395,050.25 × 331,161.90
  4. Step 4: Simplify right side
    930,542.05x = 461,987,491,385.48
  5. Step 5: Solve for x
    x = 461,987,491,385.48/930,542.05
  6. Step 6: Final answer
    x = 496,471.38

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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.