Home / 908,185.90-1,361,805.82-339,098.98

Finding the Fourth Proportional to 908,185.90, 1,361,805.82 and 339,098.98

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Solution

The fourth proportional to 908,185.90, 1,361,805.82 and 339,098.98 is: 508,471.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,185.90 : 1,361,805.82 = 339,098.98 : x
  2. Step 2: Convert to fraction form
    908,185.90/1,361,805.82 = 339,098.98/x
  3. Step 3: Cross multiply
    908,185.90x = 1,361,805.82 × 339,098.98
  4. Step 4: Simplify right side
    908,185.90x = 461,786,964,520.06
  5. Step 5: Solve for x
    x = 461,786,964,520.06/908,185.90
  6. Step 6: Final answer
    x = 508,471.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.