Home / 677,979.30-1,016,936.55-228,656.10

Finding the Fourth Proportional to 677,979.30, 1,016,936.55 and 228,656.10

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Solution

The fourth proportional to 677,979.30, 1,016,936.55 and 228,656.10 is: 342,973.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,979.30 : 1,016,936.55 = 228,656.10 : x
  2. Step 2: Convert to fraction form
    677,979.30/1,016,936.55 = 228,656.10/x
  3. Step 3: Cross multiply
    677,979.30x = 1,016,936.55 × 228,656.10
  4. Step 4: Simplify right side
    677,979.30x = 232,528,745,470.46
  5. Step 5: Solve for x
    x = 232,528,745,470.46/677,979.30
  6. Step 6: Final answer
    x = 342,973.22

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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.