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Finding the Fourth Proportional to 498,610, 687,732.62 and 337,394.08

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Solution

The fourth proportional to 498,610, 687,732.62 and 337,394.08 is: 465,367.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,610 : 687,732.62 = 337,394.08 : x
  2. Step 2: Convert to fraction form
    498,610/687,732.62 = 337,394.08/x
  3. Step 3: Cross multiply
    498,610x = 687,732.62 × 337,394.08
  4. Step 4: Simplify right side
    498,610x = 232,036,914,610.89
  5. Step 5: Solve for x
    x = 232,036,914,610.89/498,610
  6. Step 6: Final answer
    x = 465,367.55

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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.