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Finding the Fourth Proportional to 900,957.60, 1,351,037.88 and 269,753.76

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Solution

The fourth proportional to 900,957.60, 1,351,037.88 and 269,753.76 is: 404,511.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,957.60 : 1,351,037.88 = 269,753.76 : x
  2. Step 2: Convert to fraction form
    900,957.60/1,351,037.88 = 269,753.76/x
  3. Step 3: Cross multiply
    900,957.60x = 1,351,037.88 × 269,753.76
  4. Step 4: Simplify right side
    900,957.60x = 364,447,548,032.43
  5. Step 5: Solve for x
    x = 364,447,548,032.43/900,957.60
  6. Step 6: Final answer
    x = 404,511.32

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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.