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Finding the Fourth Proportional to 635,376.54, 952,784.94 and 298,512.96

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Solution

The fourth proportional to 635,376.54, 952,784.94 and 298,512.96 is: 447,637.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,376.54 : 952,784.94 = 298,512.96 : x
  2. Step 2: Convert to fraction form
    635,376.54/952,784.94 = 298,512.96/x
  3. Step 3: Cross multiply
    635,376.54x = 952,784.94 × 298,512.96
  4. Step 4: Simplify right side
    635,376.54x = 284,418,652,682.82
  5. Step 5: Solve for x
    x = 284,418,652,682.82/635,376.54
  6. Step 6: Final answer
    x = 447,637.95

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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.