Home / 766,978.21-1,150,467.32-234,499.24

Finding the Fourth Proportional to 766,978.21, 1,150,467.32 and 234,499.24

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Solution

The fourth proportional to 766,978.21, 1,150,467.32 and 234,499.24 is: 351,748.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,978.21 : 1,150,467.32 = 234,499.24 : x
  2. Step 2: Convert to fraction form
    766,978.21/1,150,467.32 = 234,499.24/x
  3. Step 3: Cross multiply
    766,978.21x = 1,150,467.32 × 234,499.24
  4. Step 4: Simplify right side
    766,978.21x = 269,783,712,184.84
  5. Step 5: Solve for x
    x = 269,783,712,184.84/766,978.21
  6. Step 6: Final answer
    x = 351,748.86

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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.