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Finding the Fourth Proportional to 464,241.51, 636,481.06 and 455,843.43

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Solution

The fourth proportional to 464,241.51, 636,481.06 and 455,843.43 is: 624,967.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,241.51 : 636,481.06 = 455,843.43 : x
  2. Step 2: Convert to fraction form
    464,241.51/636,481.06 = 455,843.43/x
  3. Step 3: Cross multiply
    464,241.51x = 636,481.06 × 455,843.43
  4. Step 4: Simplify right side
    464,241.51x = 290,135,708,380.83
  5. Step 5: Solve for x
    x = 290,135,708,380.83/464,241.51
  6. Step 6: Final answer
    x = 624,967.18

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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.