Home / 808,310.92-1,115,532.66-445,767.88

Finding the Fourth Proportional to 808,310.92, 1,115,532.66 and 445,767.88

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Solution

The fourth proportional to 808,310.92, 1,115,532.66 and 445,767.88 is: 615,194.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,310.92 : 1,115,532.66 = 445,767.88 : x
  2. Step 2: Convert to fraction form
    808,310.92/1,115,532.66 = 445,767.88/x
  3. Step 3: Cross multiply
    808,310.92x = 1,115,532.66 × 445,767.88
  4. Step 4: Simplify right side
    808,310.92x = 497,268,628,918.96
  5. Step 5: Solve for x
    x = 497,268,628,918.96/808,310.92
  6. Step 6: Final answer
    x = 615,194.74

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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.