Home / 663,963.20-995,829.60-243,022.40

Finding the Fourth Proportional to 663,963.20, 995,829.60 and 243,022.40

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Solution

The fourth proportional to 663,963.20, 995,829.60 and 243,022.40 is: 364,491.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,963.20 : 995,829.60 = 243,022.40 : x
  2. Step 2: Convert to fraction form
    663,963.20/995,829.60 = 243,022.40/x
  3. Step 3: Cross multiply
    663,963.20x = 995,829.60 × 243,022.40
  4. Step 4: Simplify right side
    663,963.20x = 242,008,899,383.04
  5. Step 5: Solve for x
    x = 242,008,899,383.04/663,963.20
  6. Step 6: Final answer
    x = 364,491.43

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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.