Home / 677,979.80-1,016,937.30-228,656.60

Finding the Fourth Proportional to 677,979.80, 1,016,937.30 and 228,656.60

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Solution

The fourth proportional to 677,979.80, 1,016,937.30 and 228,656.60 is: 342,973.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,979.80 : 1,016,937.30 = 228,656.60 : x
  2. Step 2: Convert to fraction form
    677,979.80/1,016,937.30 = 228,656.60/x
  3. Step 3: Cross multiply
    677,979.80x = 1,016,937.30 × 228,656.60
  4. Step 4: Simplify right side
    677,979.80x = 232,529,425,431.18
  5. Step 5: Solve for x
    x = 232,529,425,431.18/677,979.80
  6. Step 6: Final answer
    x = 342,973.97

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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.