Home / 426,546.37-639,817.73-173,770.48

Finding the Fourth Proportional to 426,546.37, 639,817.73 and 173,770.48

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Solution

The fourth proportional to 426,546.37, 639,817.73 and 173,770.48 is: 260,654.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,546.37 : 639,817.73 = 173,770.48 : x
  2. Step 2: Convert to fraction form
    426,546.37/639,817.73 = 173,770.48/x
  3. Step 3: Cross multiply
    426,546.37x = 639,817.73 × 173,770.48
  4. Step 4: Simplify right side
    426,546.37x = 111,181,431,586.21
  5. Step 5: Solve for x
    x = 111,181,431,586.21/426,546.37
  6. Step 6: Final answer
    x = 260,654.97

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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.