Home / 767,115.20-1,150,672.80-268,529.60

Finding the Fourth Proportional to 767,115.20, 1,150,672.80 and 268,529.60

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Solution

The fourth proportional to 767,115.20, 1,150,672.80 and 268,529.60 is: 402,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,115.20 : 1,150,672.80 = 268,529.60 : x
  2. Step 2: Convert to fraction form
    767,115.20/1,150,672.80 = 268,529.60/x
  3. Step 3: Cross multiply
    767,115.20x = 1,150,672.80 × 268,529.60
  4. Step 4: Simplify right side
    767,115.20x = 308,989,706,714.88
  5. Step 5: Solve for x
    x = 308,989,706,714.88/767,115.20
  6. Step 6: Final answer
    x = 402,794.40

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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.