Home / 677,778.05-1,015,957.70-228,343.61

Finding the Fourth Proportional to 677,778.05, 1,015,957.70 and 228,343.61

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Solution

The fourth proportional to 677,778.05, 1,015,957.70 and 228,343.61 is: 342,276.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,778.05 : 1,015,957.70 = 228,343.61 : x
  2. Step 2: Convert to fraction form
    677,778.05/1,015,957.70 = 228,343.61/x
  3. Step 3: Cross multiply
    677,778.05x = 1,015,957.70 × 228,343.61
  4. Step 4: Simplify right side
    677,778.05x = 231,987,442,603.79
  5. Step 5: Solve for x
    x = 231,987,442,603.79/677,778.05
  6. Step 6: Final answer
    x = 342,276.42

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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.