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Finding the Fourth Proportional to 635,730.72, 952,662.96 and 319,752.96

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Solution

The fourth proportional to 635,730.72, 952,662.96 and 319,752.96 is: 479,160.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,730.72 : 952,662.96 = 319,752.96 : x
  2. Step 2: Convert to fraction form
    635,730.72/952,662.96 = 319,752.96/x
  3. Step 3: Cross multiply
    635,730.72x = 952,662.96 × 319,752.96
  4. Step 4: Simplify right side
    635,730.72x = 304,616,801,342.36
  5. Step 5: Solve for x
    x = 304,616,801,342.36/635,730.72
  6. Step 6: Final answer
    x = 479,160.11

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1.5x scale

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.