Home / 787,067.22-1,086,147.75-447,535.50

Finding the Fourth Proportional to 787,067.22, 1,086,147.75 and 447,535.50

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Solution

The fourth proportional to 787,067.22, 1,086,147.75 and 447,535.50 is: 617,596.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,067.22 : 1,086,147.75 = 447,535.50 : x
  2. Step 2: Convert to fraction form
    787,067.22/1,086,147.75 = 447,535.50/x
  3. Step 3: Cross multiply
    787,067.22x = 1,086,147.75 × 447,535.50
  4. Step 4: Simplify right side
    787,067.22x = 486,089,676,370.13
  5. Step 5: Solve for x
    x = 486,089,676,370.13/787,067.22
  6. Step 6: Final answer
    x = 617,596.14

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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.