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Finding the Fourth Proportional to 603,934.88, 833,446.08 and 328,311.27

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Solution

The fourth proportional to 603,934.88, 833,446.08 and 328,311.27 is: 453,078.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,934.88 : 833,446.08 = 328,311.27 : x
  2. Step 2: Convert to fraction form
    603,934.88/833,446.08 = 328,311.27/x
  3. Step 3: Cross multiply
    603,934.88x = 833,446.08 × 328,311.27
  4. Step 4: Simplify right side
    603,934.88x = 273,629,741,001.32
  5. Step 5: Solve for x
    x = 273,629,741,001.32/603,934.88
  6. Step 6: Final answer
    x = 453,078.22

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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.