Home / 677,452.07-1,016,178.87-228,135.31

Finding the Fourth Proportional to 677,452.07, 1,016,178.87 and 228,135.31

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Solution

The fourth proportional to 677,452.07, 1,016,178.87 and 228,135.31 is: 342,203.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,452.07 : 1,016,178.87 = 228,135.31 : x
  2. Step 2: Convert to fraction form
    677,452.07/1,016,178.87 = 228,135.31/x
  3. Step 3: Cross multiply
    677,452.07x = 1,016,178.87 × 228,135.31
  4. Step 4: Simplify right side
    677,452.07x = 231,826,281,522.90
  5. Step 5: Solve for x
    x = 231,826,281,522.90/677,452.07
  6. Step 6: Final answer
    x = 342,203.22

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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.