Home / 677,795.89-1,016,697.32-228,520.65

Finding the Fourth Proportional to 677,795.89, 1,016,697.32 and 228,520.65

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Solution

The fourth proportional to 677,795.89, 1,016,697.32 and 228,520.65 is: 342,782.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,795.89 : 1,016,697.32 = 228,520.65 : x
  2. Step 2: Convert to fraction form
    677,795.89/1,016,697.32 = 228,520.65/x
  3. Step 3: Cross multiply
    677,795.89x = 1,016,697.32 × 228,520.65
  4. Step 4: Simplify right side
    677,795.89x = 232,336,331,277.06
  5. Step 5: Solve for x
    x = 232,336,331,277.06/677,795.89
  6. Step 6: Final answer
    x = 342,782.15

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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.