Home / 809,043.60-1,212,712.29-269,155.67

Finding the Fourth Proportional to 809,043.60, 1,212,712.29 and 269,155.67

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Solution

The fourth proportional to 809,043.60, 1,212,712.29 and 269,155.67 is: 403,449.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,043.60 : 1,212,712.29 = 269,155.67 : x
  2. Step 2: Convert to fraction form
    809,043.60/1,212,712.29 = 269,155.67/x
  3. Step 3: Cross multiply
    809,043.60x = 1,212,712.29 × 269,155.67
  4. Step 4: Simplify right side
    809,043.60x = 326,408,382,868.62
  5. Step 5: Solve for x
    x = 326,408,382,868.62/809,043.60
  6. Step 6: Final answer
    x = 403,449.68

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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.