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Finding the Fourth Proportional to 548,047.97, 756,322.13 and 299,704.52

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Solution

The fourth proportional to 548,047.97, 756,322.13 and 299,704.52 is: 413,600.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,047.97 : 756,322.13 = 299,704.52 : x
  2. Step 2: Convert to fraction form
    548,047.97/756,322.13 = 299,704.52/x
  3. Step 3: Cross multiply
    548,047.97x = 756,322.13 × 299,704.52
  4. Step 4: Simplify right side
    548,047.97x = 226,673,160,937.03
  5. Step 5: Solve for x
    x = 226,673,160,937.03/548,047.97
  6. Step 6: Final answer
    x = 413,600.95

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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.