Home / 891,078.54-1,336,175.45-283,787.68

Finding the Fourth Proportional to 891,078.54, 1,336,175.45 and 283,787.68

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Solution

The fourth proportional to 891,078.54, 1,336,175.45 and 283,787.68 is: 425,540.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,078.54 : 1,336,175.45 = 283,787.68 : x
  2. Step 2: Convert to fraction form
    891,078.54/1,336,175.45 = 283,787.68/x
  3. Step 3: Cross multiply
    891,078.54x = 1,336,175.45 × 283,787.68
  4. Step 4: Simplify right side
    891,078.54x = 379,190,131,028.46
  5. Step 5: Solve for x
    x = 379,190,131,028.46/891,078.54
  6. Step 6: Final answer
    x = 425,540.64

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.