Home / 809,212.68-1,116,707.94-446,636.52

Finding the Fourth Proportional to 809,212.68, 1,116,707.94 and 446,636.52

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Solution

The fourth proportional to 809,212.68, 1,116,707.94 and 446,636.52 is: 616,355.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,212.68 : 1,116,707.94 = 446,636.52 : x
  2. Step 2: Convert to fraction form
    809,212.68/1,116,707.94 = 446,636.52/x
  3. Step 3: Cross multiply
    809,212.68x = 1,116,707.94 × 446,636.52
  4. Step 4: Simplify right side
    809,212.68x = 498,762,548,177.97
  5. Step 5: Solve for x
    x = 498,762,548,177.97/809,212.68
  6. Step 6: Final answer
    x = 616,355.33

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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.