Home / 677,770.31-1,016,662.76-204,459.77

Finding the Fourth Proportional to 677,770.31, 1,016,662.76 and 204,459.77

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Solution

The fourth proportional to 677,770.31, 1,016,662.76 and 204,459.77 is: 306,691.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,770.31 : 1,016,662.76 = 204,459.77 : x
  2. Step 2: Convert to fraction form
    677,770.31/1,016,662.76 = 204,459.77/x
  3. Step 3: Cross multiply
    677,770.31x = 1,016,662.76 × 204,459.77
  4. Step 4: Simplify right side
    677,770.31x = 207,866,634,077.17
  5. Step 5: Solve for x
    x = 207,866,634,077.17/677,770.31
  6. Step 6: Final answer
    x = 306,691.86

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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.