Home / 643,532.02-965,076.60-244,286.97

Finding the Fourth Proportional to 643,532.02, 965,076.60 and 244,286.97

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Solution

The fourth proportional to 643,532.02, 965,076.60 and 244,286.97 is: 366,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,532.02 : 965,076.60 = 244,286.97 : x
  2. Step 2: Convert to fraction form
    643,532.02/965,076.60 = 244,286.97/x
  3. Step 3: Cross multiply
    643,532.02x = 965,076.60 × 244,286.97
  4. Step 4: Simplify right side
    643,532.02x = 235,755,638,431.90
  5. Step 5: Solve for x
    x = 235,755,638,431.90/643,532.02
  6. Step 6: Final answer
    x = 366,346.40

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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.