Home / 766,983.60-1,150,464.60-346,258.80

Finding the Fourth Proportional to 766,983.60, 1,150,464.60 and 346,258.80

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Solution

The fourth proportional to 766,983.60, 1,150,464.60 and 346,258.80 is: 519,383.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,983.60 : 1,150,464.60 = 346,258.80 : x
  2. Step 2: Convert to fraction form
    766,983.60/1,150,464.60 = 346,258.80/x
  3. Step 3: Cross multiply
    766,983.60x = 1,150,464.60 × 346,258.80
  4. Step 4: Simplify right side
    766,983.60x = 398,358,491,838.48
  5. Step 5: Solve for x
    x = 398,358,491,838.48/766,983.60
  6. Step 6: Final answer
    x = 519,383.32

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Double scale
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Similar ratio
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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.