Home / 677,913.36-1,016,876.88-204,602.64

Finding the Fourth Proportional to 677,913.36, 1,016,876.88 and 204,602.64

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Solution

The fourth proportional to 677,913.36, 1,016,876.88 and 204,602.64 is: 306,906.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,913.36 : 1,016,876.88 = 204,602.64 : x
  2. Step 2: Convert to fraction form
    677,913.36/1,016,876.88 = 204,602.64/x
  3. Step 3: Cross multiply
    677,913.36x = 1,016,876.88 × 204,602.64
  4. Step 4: Simplify right side
    677,913.36x = 208,055,694,202.96
  5. Step 5: Solve for x
    x = 208,055,694,202.96/677,913.36
  6. Step 6: Final answer
    x = 306,906.02

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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.