Home / 819,207.80-1,228,811.70-228,231.80

Finding the Fourth Proportional to 819,207.80, 1,228,811.70 and 228,231.80

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Solution

The fourth proportional to 819,207.80, 1,228,811.70 and 228,231.80 is: 342,347.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,207.80 : 1,228,811.70 = 228,231.80 : x
  2. Step 2: Convert to fraction form
    819,207.80/1,228,811.70 = 228,231.80/x
  3. Step 3: Cross multiply
    819,207.80x = 1,228,811.70 × 228,231.80
  4. Step 4: Simplify right side
    819,207.80x = 280,453,906,152.06
  5. Step 5: Solve for x
    x = 280,453,906,152.06/819,207.80
  6. Step 6: Final answer
    x = 342,347.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.