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Finding the Fourth Proportional to 482,951.20, 723,735.60 and 335,034.40

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Solution

The fourth proportional to 482,951.20, 723,735.60 and 335,034.40 is: 502,072.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,951.20 : 723,735.60 = 335,034.40 : x
  2. Step 2: Convert to fraction form
    482,951.20/723,735.60 = 335,034.40/x
  3. Step 3: Cross multiply
    482,951.20x = 723,735.60 × 335,034.40
  4. Step 4: Simplify right side
    482,951.20x = 242,476,322,504.64
  5. Step 5: Solve for x
    x = 242,476,322,504.64/482,951.20
  6. Step 6: Final answer
    x = 502,072.10

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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.