Home / 860,660.40-1,288,366.20-504,616.80

Finding the Fourth Proportional to 860,660.40, 1,288,366.20 and 504,616.80

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Solution

The fourth proportional to 860,660.40, 1,288,366.20 and 504,616.80 is: 755,386.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,660.40 : 1,288,366.20 = 504,616.80 : x
  2. Step 2: Convert to fraction form
    860,660.40/1,288,366.20 = 504,616.80/x
  3. Step 3: Cross multiply
    860,660.40x = 1,288,366.20 × 504,616.80
  4. Step 4: Simplify right side
    860,660.40x = 650,131,229,072.16
  5. Step 5: Solve for x
    x = 650,131,229,072.16/860,660.40
  6. Step 6: Final answer
    x = 755,386.48

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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.