Home / 677,794.11-1,015,981.79-228,359.72

Finding the Fourth Proportional to 677,794.11, 1,015,981.79 and 228,359.72

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Solution

The fourth proportional to 677,794.11, 1,015,981.79 and 228,359.72 is: 342,300.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,794.11 : 1,015,981.79 = 228,359.72 : x
  2. Step 2: Convert to fraction form
    677,794.11/1,015,981.79 = 228,359.72/x
  3. Step 3: Cross multiply
    677,794.11x = 1,015,981.79 × 228,359.72
  4. Step 4: Simplify right side
    677,794.11x = 232,009,310,867.79
  5. Step 5: Solve for x
    x = 232,009,310,867.79/677,794.11
  6. Step 6: Final answer
    x = 342,300.57

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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.