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Finding the Fourth Proportional to 635,334.92, 953,002.72 and 398,843.68

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Solution

The fourth proportional to 635,334.92, 953,002.72 and 398,843.68 is: 598,265.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,334.92 : 953,002.72 = 398,843.68 : x
  2. Step 2: Convert to fraction form
    635,334.92/953,002.72 = 398,843.68/x
  3. Step 3: Cross multiply
    635,334.92x = 953,002.72 × 398,843.68
  4. Step 4: Simplify right side
    635,334.92x = 380,099,109,554.24
  5. Step 5: Solve for x
    x = 380,099,109,554.24/635,334.92
  6. Step 6: Final answer
    x = 598,265.73

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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.