Home / 930,540.05-1,395,047.25-331,159.90

Finding the Fourth Proportional to 930,540.05, 1,395,047.25 and 331,159.90

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Solution

The fourth proportional to 930,540.05, 1,395,047.25 and 331,159.90 is: 496,468.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,540.05 : 1,395,047.25 = 331,159.90 : x
  2. Step 2: Convert to fraction form
    930,540.05/1,395,047.25 = 331,159.90/x
  3. Step 3: Cross multiply
    930,540.05x = 1,395,047.25 × 331,159.90
  4. Step 4: Simplify right side
    930,540.05x = 461,983,704,317.66
  5. Step 5: Solve for x
    x = 461,983,704,317.66/930,540.05
  6. Step 6: Final answer
    x = 496,468.37

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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.