Home / 809,447.33-1,117,183.54-482,781.29

Finding the Fourth Proportional to 809,447.33, 1,117,183.54 and 482,781.29

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Solution

The fourth proportional to 809,447.33, 1,117,183.54 and 482,781.29 is: 666,325.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,447.33 : 1,117,183.54 = 482,781.29 : x
  2. Step 2: Convert to fraction form
    809,447.33/1,117,183.54 = 482,781.29/x
  3. Step 3: Cross multiply
    809,447.33x = 1,117,183.54 × 482,781.29
  4. Step 4: Simplify right side
    809,447.33x = 539,355,307,862.39
  5. Step 5: Solve for x
    x = 539,355,307,862.39/809,447.33
  6. Step 6: Final answer
    x = 666,325.39

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1.5x scale

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.