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Finding the Fourth Proportional to 463,891.92, 635,374.20 and 436,656.48

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Solution

The fourth proportional to 463,891.92, 635,374.20 and 436,656.48 is: 598,070.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,891.92 : 635,374.20 = 436,656.48 : x
  2. Step 2: Convert to fraction form
    463,891.92/635,374.20 = 436,656.48/x
  3. Step 3: Cross multiply
    463,891.92x = 635,374.20 × 436,656.48
  4. Step 4: Simplify right side
    463,891.92x = 277,440,261,654.82
  5. Step 5: Solve for x
    x = 277,440,261,654.82/463,891.92
  6. Step 6: Final answer
    x = 598,070.91

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.