Home / 843,909.92-1,265,471.28-489,025.76

Finding the Fourth Proportional to 843,909.92, 1,265,471.28 and 489,025.76

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Solution

The fourth proportional to 843,909.92, 1,265,471.28 and 489,025.76 is: 733,310.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,909.92 : 1,265,471.28 = 489,025.76 : x
  2. Step 2: Convert to fraction form
    843,909.92/1,265,471.28 = 489,025.76/x
  3. Step 3: Cross multiply
    843,909.92x = 1,265,471.28 × 489,025.76
  4. Step 4: Simplify right side
    843,909.92x = 618,848,054,460.17
  5. Step 5: Solve for x
    x = 618,848,054,460.17/843,909.92
  6. Step 6: Final answer
    x = 733,310.56

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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.