Home / 538,939.40-743,770.48-297,222.44

Finding the Fourth Proportional to 538,939.40, 743,770.48 and 297,222.44

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Solution

The fourth proportional to 538,939.40, 743,770.48 and 297,222.44 is: 410,185.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,939.40 : 743,770.48 = 297,222.44 : x
  2. Step 2: Convert to fraction form
    538,939.40/743,770.48 = 297,222.44/x
  3. Step 3: Cross multiply
    538,939.40x = 743,770.48 × 297,222.44
  4. Step 4: Simplify right side
    538,939.40x = 221,065,276,865.57
  5. Step 5: Solve for x
    x = 221,065,276,865.57/538,939.40
  6. Step 6: Final answer
    x = 410,185.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.