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Finding the Fourth Proportional to 605,687.25, 835,865.69 and 337,432.53

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Solution

The fourth proportional to 605,687.25, 835,865.69 and 337,432.53 is: 465,666.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,687.25 : 835,865.69 = 337,432.53 : x
  2. Step 2: Convert to fraction form
    605,687.25/835,865.69 = 337,432.53/x
  3. Step 3: Cross multiply
    605,687.25x = 835,865.69 × 337,432.53
  4. Step 4: Simplify right side
    605,687.25x = 282,048,272,829.73
  5. Step 5: Solve for x
    x = 282,048,272,829.73/605,687.25
  6. Step 6: Final answer
    x = 465,666.52

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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.