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Finding the Fourth Proportional to 494,706.35, 741,911.00 and 210,394.53

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Solution

The fourth proportional to 494,706.35, 741,911.00 and 210,394.53 is: 315,528.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,706.35 : 741,911.00 = 210,394.53 : x
  2. Step 2: Convert to fraction form
    494,706.35/741,911.00 = 210,394.53/x
  3. Step 3: Cross multiply
    494,706.35x = 741,911.00 × 210,394.53
  4. Step 4: Simplify right side
    494,706.35x = 156,094,015,094.86
  5. Step 5: Solve for x
    x = 156,094,015,094.86/494,706.35
  6. Step 6: Final answer
    x = 315,528.62

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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.