Home / 460,819.91-635,934.62-256,883.78

Finding the Fourth Proportional to 460,819.91, 635,934.62 and 256,883.78

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Solution

The fourth proportional to 460,819.91, 635,934.62 and 256,883.78 is: 354,501.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,819.91 : 635,934.62 = 256,883.78 : x
  2. Step 2: Convert to fraction form
    460,819.91/635,934.62 = 256,883.78/x
  3. Step 3: Cross multiply
    460,819.91x = 635,934.62 × 256,883.78
  4. Step 4: Simplify right side
    460,819.91x = 163,361,291,250.51
  5. Step 5: Solve for x
    x = 163,361,291,250.51/460,819.91
  6. Step 6: Final answer
    x = 354,501.37

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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.