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Finding the Fourth Proportional to 605,549.95, 835,659.71 and 329,906.44

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Solution

The fourth proportional to 605,549.95, 835,659.71 and 329,906.44 is: 455,271.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,549.95 : 835,659.71 = 329,906.44 : x
  2. Step 2: Convert to fraction form
    605,549.95/835,659.71 = 329,906.44/x
  3. Step 3: Cross multiply
    605,549.95x = 835,659.71 × 329,906.44
  4. Step 4: Simplify right side
    605,549.95x = 275,689,519,977.53
  5. Step 5: Solve for x
    x = 275,689,519,977.53/605,549.95
  6. Step 6: Final answer
    x = 455,271.31

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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.