Home / 677,121.30-1,015,814.72-250,660.41

Finding the Fourth Proportional to 677,121.30, 1,015,814.72 and 250,660.41

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Solution

The fourth proportional to 677,121.30, 1,015,814.72 and 250,660.41 is: 376,039.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,121.30 : 1,015,814.72 = 250,660.41 : x
  2. Step 2: Convert to fraction form
    677,121.30/1,015,814.72 = 250,660.41/x
  3. Step 3: Cross multiply
    677,121.30x = 1,015,814.72 × 250,660.41
  4. Step 4: Simplify right side
    677,121.30x = 254,624,532,945.93
  5. Step 5: Solve for x
    x = 254,624,532,945.93/677,121.30
  6. Step 6: Final answer
    x = 376,039.76

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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.