Home / 900,963.60-1,351,046.88-269,759.76

Finding the Fourth Proportional to 900,963.60, 1,351,046.88 and 269,759.76

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Solution

The fourth proportional to 900,963.60, 1,351,046.88 and 269,759.76 is: 404,520.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,963.60 : 1,351,046.88 = 269,759.76 : x
  2. Step 2: Convert to fraction form
    900,963.60/1,351,046.88 = 269,759.76/x
  3. Step 3: Cross multiply
    900,963.60x = 1,351,046.88 × 269,759.76
  4. Step 4: Simplify right side
    900,963.60x = 364,458,082,097.55
  5. Step 5: Solve for x
    x = 364,458,082,097.55/900,963.60
  6. Step 6: Final answer
    x = 404,520.32

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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.