Home / 837,289.44-1,155,489.84-479,662.56

Finding the Fourth Proportional to 837,289.44, 1,155,489.84 and 479,662.56

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Solution

The fourth proportional to 837,289.44, 1,155,489.84 and 479,662.56 is: 661,951.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,289.44 : 1,155,489.84 = 479,662.56 : x
  2. Step 2: Convert to fraction form
    837,289.44/1,155,489.84 = 479,662.56/x
  3. Step 3: Cross multiply
    837,289.44x = 1,155,489.84 × 479,662.56
  4. Step 4: Simplify right side
    837,289.44x = 554,245,214,708.39
  5. Step 5: Solve for x
    x = 554,245,214,708.39/837,289.44
  6. Step 6: Final answer
    x = 661,951.76

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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.