Home / 766,986.12-1,150,532.64-234,466.20

Finding the Fourth Proportional to 766,986.12, 1,150,532.64 and 234,466.20

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Solution

The fourth proportional to 766,986.12, 1,150,532.64 and 234,466.20 is: 351,715.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,986.12 : 1,150,532.64 = 234,466.20 : x
  2. Step 2: Convert to fraction form
    766,986.12/1,150,532.64 = 234,466.20/x
  3. Step 3: Cross multiply
    766,986.12x = 1,150,532.64 × 234,466.20
  4. Step 4: Simplify right side
    766,986.12x = 269,761,016,076.77
  5. Step 5: Solve for x
    x = 269,761,016,076.77/766,986.12
  6. Step 6: Final answer
    x = 351,715.64

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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.