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Finding the Fourth Proportional to 635,508.90, 952,972.32 and 379,457.71

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Solution

The fourth proportional to 635,508.90, 952,972.32 and 379,457.71 is: 569,012.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,508.90 : 952,972.32 = 379,457.71 : x
  2. Step 2: Convert to fraction form
    635,508.90/952,972.32 = 379,457.71/x
  3. Step 3: Cross multiply
    635,508.90x = 952,972.32 × 379,457.71
  4. Step 4: Simplify right side
    635,508.90x = 361,612,694,240.59
  5. Step 5: Solve for x
    x = 361,612,694,240.59/635,508.90
  6. Step 6: Final answer
    x = 569,012.79

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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.