Home / 663,439.75-995,160.66-201,821.76

Finding the Fourth Proportional to 663,439.75, 995,160.66 and 201,821.76

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Solution

The fourth proportional to 663,439.75, 995,160.66 and 201,821.76 is: 302,732.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,439.75 : 995,160.66 = 201,821.76 : x
  2. Step 2: Convert to fraction form
    663,439.75/995,160.66 = 201,821.76/x
  3. Step 3: Cross multiply
    663,439.75x = 995,160.66 × 201,821.76
  4. Step 4: Simplify right side
    663,439.75x = 200,845,070,908.16
  5. Step 5: Solve for x
    x = 200,845,070,908.16/663,439.75
  6. Step 6: Final answer
    x = 302,732.95

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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.