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Finding the Fourth Proportional to 599,717.49, 899,022.66 and 299,937.21

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Solution

The fourth proportional to 599,717.49, 899,022.66 and 299,937.21 is: 449,628.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,717.49 : 899,022.66 = 299,937.21 : x
  2. Step 2: Convert to fraction form
    599,717.49/899,022.66 = 299,937.21/x
  3. Step 3: Cross multiply
    599,717.49x = 899,022.66 × 299,937.21
  4. Step 4: Simplify right side
    599,717.49x = 269,650,348,367.18
  5. Step 5: Solve for x
    x = 269,650,348,367.18/599,717.49
  6. Step 6: Final answer
    x = 449,628.96

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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.