Home / 683,103.80-1,023,999.60-531,216.65

Finding the Fourth Proportional to 683,103.80, 1,023,999.60 and 531,216.65

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Solution

The fourth proportional to 683,103.80, 1,023,999.60 and 531,216.65 is: 796,314.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,103.80 : 1,023,999.60 = 531,216.65 : x
  2. Step 2: Convert to fraction form
    683,103.80/1,023,999.60 = 531,216.65/x
  3. Step 3: Cross multiply
    683,103.80x = 1,023,999.60 × 531,216.65
  4. Step 4: Simplify right side
    683,103.80x = 543,965,637,113.34
  5. Step 5: Solve for x
    x = 543,965,637,113.34/683,103.80
  6. Step 6: Final answer
    x = 796,314.76

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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.