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Finding the Fourth Proportional to 996,001, 1,494,014.46 and 331,153

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Solution

The fourth proportional to 996,001, 1,494,014.46 and 331,153 is: 496,733.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,001 : 1,494,014.46 = 331,153 : x
  2. Step 2: Convert to fraction form
    996,001/1,494,014.46 = 331,153/x
  3. Step 3: Cross multiply
    996,001x = 1,494,014.46 × 331,153
  4. Step 4: Simplify right side
    996,001x = 494,747,370,472.38
  5. Step 5: Solve for x
    x = 494,747,370,472.38/996,001
  6. Step 6: Final answer
    x = 496,733.81

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1.5x scale

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.