Home / 892,241.28-1,231,295.04-489,859.20

Finding the Fourth Proportional to 892,241.28, 1,231,295.04 and 489,859.20

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Solution

The fourth proportional to 892,241.28, 1,231,295.04 and 489,859.20 is: 676,006.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,241.28 : 1,231,295.04 = 489,859.20 : x
  2. Step 2: Convert to fraction form
    892,241.28/1,231,295.04 = 489,859.20/x
  3. Step 3: Cross multiply
    892,241.28x = 1,231,295.04 × 489,859.20
  4. Step 4: Simplify right side
    892,241.28x = 603,161,203,258.37
  5. Step 5: Solve for x
    x = 603,161,203,258.37/892,241.28
  6. Step 6: Final answer
    x = 676,006.83

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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.