Home / 807,922.80-1,211,884.20-683,506.80

Finding the Fourth Proportional to 807,922.80, 1,211,884.20 and 683,506.80

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Solution

The fourth proportional to 807,922.80, 1,211,884.20 and 683,506.80 is: 1,025,260.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,922.80 : 1,211,884.20 = 683,506.80 : x
  2. Step 2: Convert to fraction form
    807,922.80/1,211,884.20 = 683,506.80/x
  3. Step 3: Cross multiply
    807,922.80x = 1,211,884.20 × 683,506.80
  4. Step 4: Simplify right side
    807,922.80x = 828,331,091,512.56
  5. Step 5: Solve for x
    x = 828,331,091,512.56/807,922.80
  6. Step 6: Final answer
    x = 1,025,260.20

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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.