Home / 677,786.29-1,015,970.05-228,351.88

Finding the Fourth Proportional to 677,786.29, 1,015,970.05 and 228,351.88

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Solution

The fourth proportional to 677,786.29, 1,015,970.05 and 228,351.88 is: 342,288.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,786.29 : 1,015,970.05 = 228,351.88 : x
  2. Step 2: Convert to fraction form
    677,786.29/1,015,970.05 = 228,351.88/x
  3. Step 3: Cross multiply
    677,786.29x = 1,015,970.05 × 228,351.88
  4. Step 4: Simplify right side
    677,786.29x = 231,998,670,941.19
  5. Step 5: Solve for x
    x = 231,998,670,941.19/677,786.29
  6. Step 6: Final answer
    x = 342,288.82

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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.