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Finding the Fourth Proportional to 605,726.60, 835,891.44 and 333,819.68

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Solution

The fourth proportional to 605,726.60, 835,891.44 and 333,819.68 is: 460,664.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,726.60 : 835,891.44 = 333,819.68 : x
  2. Step 2: Convert to fraction form
    605,726.60/835,891.44 = 333,819.68/x
  3. Step 3: Cross multiply
    605,726.60x = 835,891.44 × 333,819.68
  4. Step 4: Simplify right side
    605,726.60x = 279,037,013,015.54
  5. Step 5: Solve for x
    x = 279,037,013,015.54/605,726.60
  6. Step 6: Final answer
    x = 460,664.95

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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.