Home / 878,553.76-1,317,912.72-247,466.56

Finding the Fourth Proportional to 878,553.76, 1,317,912.72 and 247,466.56

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Solution

The fourth proportional to 878,553.76, 1,317,912.72 and 247,466.56 is: 371,222.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,553.76 : 1,317,912.72 = 247,466.56 : x
  2. Step 2: Convert to fraction form
    878,553.76/1,317,912.72 = 247,466.56/x
  3. Step 3: Cross multiply
    878,553.76x = 1,317,912.72 × 247,466.56
  4. Step 4: Simplify right side
    878,553.76x = 326,139,327,198.64
  5. Step 5: Solve for x
    x = 326,139,327,198.64/878,553.76
  6. Step 6: Final answer
    x = 371,222.96

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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.