Home / 767,101.20-1,150,651.80-268,515.60

Finding the Fourth Proportional to 767,101.20, 1,150,651.80 and 268,515.60

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Solution

The fourth proportional to 767,101.20, 1,150,651.80 and 268,515.60 is: 402,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,101.20 : 1,150,651.80 = 268,515.60 : x
  2. Step 2: Convert to fraction form
    767,101.20/1,150,651.80 = 268,515.60/x
  3. Step 3: Cross multiply
    767,101.20x = 1,150,651.80 × 268,515.60
  4. Step 4: Simplify right side
    767,101.20x = 308,967,958,468.08
  5. Step 5: Solve for x
    x = 308,967,958,468.08/767,101.20
  6. Step 6: Final answer
    x = 402,773.40

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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.