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Finding the Fourth Proportional to 454,912.29, 627,666.09 and 299,846.39

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Solution

The fourth proportional to 454,912.29, 627,666.09 and 299,846.39 is: 413,713.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,912.29 : 627,666.09 = 299,846.39 : x
  2. Step 2: Convert to fraction form
    454,912.29/627,666.09 = 299,846.39/x
  3. Step 3: Cross multiply
    454,912.29x = 627,666.09 × 299,846.39
  4. Step 4: Simplify right side
    454,912.29x = 188,203,411,211.92
  5. Step 5: Solve for x
    x = 188,203,411,211.92/454,912.29
  6. Step 6: Final answer
    x = 413,713.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.