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Finding the Fourth Proportional to 663,763.01, 995,772.69 and 284,630.76

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Solution

The fourth proportional to 663,763.01, 995,772.69 and 284,630.76 is: 427,001.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,763.01 : 995,772.69 = 284,630.76 : x
  2. Step 2: Convert to fraction form
    663,763.01/995,772.69 = 284,630.76/x
  3. Step 3: Cross multiply
    663,763.01x = 995,772.69 × 284,630.76
  4. Step 4: Simplify right side
    663,763.01x = 283,427,537,541.94
  5. Step 5: Solve for x
    x = 283,427,537,541.94/663,763.01
  6. Step 6: Final answer
    x = 427,001.11

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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.