Home / 907,997.31-1,361,523.02-338,910.38

Finding the Fourth Proportional to 907,997.31, 1,361,523.02 and 338,910.38

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Solution

The fourth proportional to 907,997.31, 1,361,523.02 and 338,910.38 is: 508,189.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,997.31 : 1,361,523.02 = 338,910.38 : x
  2. Step 2: Convert to fraction form
    907,997.31/1,361,523.02 = 338,910.38/x
  3. Step 3: Cross multiply
    907,997.31x = 1,361,523.02 × 338,910.38
  4. Step 4: Simplify right side
    907,997.31x = 461,434,278,126.61
  5. Step 5: Solve for x
    x = 461,434,278,126.61/907,997.31
  6. Step 6: Final answer
    x = 508,189.04

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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.