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Finding the Fourth Proportional to 996,201, 1,494,301.50 and 331,353

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Solution

The fourth proportional to 996,201, 1,494,301.50 and 331,353 is: 497,029.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,201 : 1,494,301.50 = 331,353 : x
  2. Step 2: Convert to fraction form
    996,201/1,494,301.50 = 331,353/x
  3. Step 3: Cross multiply
    996,201x = 1,494,301.50 × 331,353
  4. Step 4: Simplify right side
    996,201x = 495,141,284,929.50
  5. Step 5: Solve for x
    x = 495,141,284,929.50/996,201
  6. Step 6: Final answer
    x = 497,029.50

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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.