Home / 677,340.77-1,015,299.88-227,905.61

Finding the Fourth Proportional to 677,340.77, 1,015,299.88 and 227,905.61

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Solution

The fourth proportional to 677,340.77, 1,015,299.88 and 227,905.61 is: 341,619.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,340.77 : 1,015,299.88 = 227,905.61 : x
  2. Step 2: Convert to fraction form
    677,340.77/1,015,299.88 = 227,905.61/x
  3. Step 3: Cross multiply
    677,340.77x = 1,015,299.88 × 227,905.61
  4. Step 4: Simplify right side
    677,340.77x = 231,392,532,838.06
  5. Step 5: Solve for x
    x = 231,392,532,838.06/677,340.77
  6. Step 6: Final answer
    x = 341,619.09

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1.5x scale

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.