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Finding the Fourth Proportional to 638,446.52, 957,951.88 and 334,768.15

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Solution

The fourth proportional to 638,446.52, 957,951.88 and 334,768.15 is: 502,300.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,446.52 : 957,951.88 = 334,768.15 : x
  2. Step 2: Convert to fraction form
    638,446.52/957,951.88 = 334,768.15/x
  3. Step 3: Cross multiply
    638,446.52x = 957,951.88 × 334,768.15
  4. Step 4: Simplify right side
    638,446.52x = 320,691,775,424.82
  5. Step 5: Solve for x
    x = 320,691,775,424.82/638,446.52
  6. Step 6: Final answer
    x = 502,300.14

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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.