Home / 677,340.64-1,015,299.69-227,905.48

Finding the Fourth Proportional to 677,340.64, 1,015,299.69 and 227,905.48

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Solution

The fourth proportional to 677,340.64, 1,015,299.69 and 227,905.48 is: 341,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,340.64 : 1,015,299.69 = 227,905.48 : x
  2. Step 2: Convert to fraction form
    677,340.64/1,015,299.69 = 227,905.48/x
  3. Step 3: Cross multiply
    677,340.64x = 1,015,299.69 × 227,905.48
  4. Step 4: Simplify right side
    677,340.64x = 231,392,363,193.30
  5. Step 5: Solve for x
    x = 231,392,363,193.30/677,340.64
  6. Step 6: Final answer
    x = 341,618.90

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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.