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Finding the Fourth Proportional to 467,032, 644,504.89 and 265,828

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Solution

The fourth proportional to 467,032, 644,504.89 and 265,828 is: 366,843.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,032 : 644,504.89 = 265,828 : x
  2. Step 2: Convert to fraction form
    467,032/644,504.89 = 265,828/x
  3. Step 3: Cross multiply
    467,032x = 644,504.89 × 265,828
  4. Step 4: Simplify right side
    467,032x = 171,327,445,898.92
  5. Step 5: Solve for x
    x = 171,327,445,898.92/467,032
  6. Step 6: Final answer
    x = 366,843.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.