Home / 807,860.80-1,211,791.20-683,444.80

Finding the Fourth Proportional to 807,860.80, 1,211,791.20 and 683,444.80

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Solution

The fourth proportional to 807,860.80, 1,211,791.20 and 683,444.80 is: 1,025,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,860.80 : 1,211,791.20 = 683,444.80 : x
  2. Step 2: Convert to fraction form
    807,860.80/1,211,791.20 = 683,444.80/x
  3. Step 3: Cross multiply
    807,860.80x = 1,211,791.20 × 683,444.80
  4. Step 4: Simplify right side
    807,860.80x = 828,192,394,325.76
  5. Step 5: Solve for x
    x = 828,192,394,325.76/807,860.80
  6. Step 6: Final answer
    x = 1,025,167.20

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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.