Home / 677,311.56-1,016,018.40-228,033.72

Finding the Fourth Proportional to 677,311.56, 1,016,018.40 and 228,033.72

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Solution

The fourth proportional to 677,311.56, 1,016,018.40 and 228,033.72 is: 342,067.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,311.56 : 1,016,018.40 = 228,033.72 : x
  2. Step 2: Convert to fraction form
    677,311.56/1,016,018.40 = 228,033.72/x
  3. Step 3: Cross multiply
    677,311.56x = 1,016,018.40 × 228,033.72
  4. Step 4: Simplify right side
    677,311.56x = 231,686,455,340.45
  5. Step 5: Solve for x
    x = 231,686,455,340.45/677,311.56
  6. Step 6: Final answer
    x = 342,067.77

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1.5x scale

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.