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Finding the Fourth Proportional to 506,237.67, 698,608.37 and 276,791.30

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Solution

The fourth proportional to 506,237.67, 698,608.37 and 276,791.30 is: 381,972.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,237.67 : 698,608.37 = 276,791.30 : x
  2. Step 2: Convert to fraction form
    506,237.67/698,608.37 = 276,791.30/x
  3. Step 3: Cross multiply
    506,237.67x = 698,608.37 × 276,791.30
  4. Step 4: Simplify right side
    506,237.67x = 193,368,721,361.68
  5. Step 5: Solve for x
    x = 193,368,721,361.68/506,237.67
  6. Step 6: Final answer
    x = 381,972.21

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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.