Home / 766,110.60-1,146,444.30-667,355.40

Finding the Fourth Proportional to 766,110.60, 1,146,444.30 and 667,355.40

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Solution

The fourth proportional to 766,110.60, 1,146,444.30 and 667,355.40 is: 998,662.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,110.60 : 1,146,444.30 = 667,355.40 : x
  2. Step 2: Convert to fraction form
    766,110.60/1,146,444.30 = 667,355.40/x
  3. Step 3: Cross multiply
    766,110.60x = 1,146,444.30 × 667,355.40
  4. Step 4: Simplify right side
    766,110.60x = 765,085,794,404.22
  5. Step 5: Solve for x
    x = 765,085,794,404.22/766,110.60
  6. Step 6: Final answer
    x = 998,662.33

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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.