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Finding the Fourth Proportional to 635,506.90, 952,969.32 and 379,455.71

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Solution

The fourth proportional to 635,506.90, 952,969.32 and 379,455.71 is: 569,009.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,506.90 : 952,969.32 = 379,455.71 : x
  2. Step 2: Convert to fraction form
    635,506.90/952,969.32 = 379,455.71/x
  3. Step 3: Cross multiply
    635,506.90x = 952,969.32 × 379,455.71
  4. Step 4: Simplify right side
    635,506.90x = 361,609,645,163.97
  5. Step 5: Solve for x
    x = 361,609,645,163.97/635,506.90
  6. Step 6: Final answer
    x = 569,009.79

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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.