Home / 677,777.16-1,015,956.39-228,342.72

Finding the Fourth Proportional to 677,777.16, 1,015,956.39 and 228,342.72

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Solution

The fourth proportional to 677,777.16, 1,015,956.39 and 228,342.72 is: 342,275.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,777.16 : 1,015,956.39 = 228,342.72 : x
  2. Step 2: Convert to fraction form
    677,777.16/1,015,956.39 = 228,342.72/x
  3. Step 3: Cross multiply
    677,777.16x = 1,015,956.39 × 228,342.72
  4. Step 4: Simplify right side
    677,777.16x = 231,986,245,493.98
  5. Step 5: Solve for x
    x = 231,986,245,493.98/677,777.16
  6. Step 6: Final answer
    x = 342,275.10

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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.