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Finding the Fourth Proportional to 468,606.52, 646,724.74 and 337,891.70

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Solution

The fourth proportional to 468,606.52, 646,724.74 and 337,891.70 is: 466,324.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,606.52 : 646,724.74 = 337,891.70 : x
  2. Step 2: Convert to fraction form
    468,606.52/646,724.74 = 337,891.70/x
  3. Step 3: Cross multiply
    468,606.52x = 646,724.74 × 337,891.70
  4. Step 4: Simplify right side
    468,606.52x = 218,522,921,830.66
  5. Step 5: Solve for x
    x = 218,522,921,830.66/468,606.52
  6. Step 6: Final answer
    x = 466,324.97

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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.