Home / 677,806.40-1,016,716.80-204,495.86

Finding the Fourth Proportional to 677,806.40, 1,016,716.80 and 204,495.86

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Solution

The fourth proportional to 677,806.40, 1,016,716.80 and 204,495.86 is: 306,745.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,806.40 : 1,016,716.80 = 204,495.86 : x
  2. Step 2: Convert to fraction form
    677,806.40/1,016,716.80 = 204,495.86/x
  3. Step 3: Cross multiply
    677,806.40x = 1,016,716.80 × 204,495.86
  4. Step 4: Simplify right side
    677,806.40x = 207,914,376,392.45
  5. Step 5: Solve for x
    x = 207,914,376,392.45/677,806.40
  6. Step 6: Final answer
    x = 306,745.96

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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.