Home / 821,766.65-1,231,734.03-341,725.62

Finding the Fourth Proportional to 821,766.65, 1,231,734.03 and 341,725.62

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Solution

The fourth proportional to 821,766.65, 1,231,734.03 and 341,725.62 is: 512,207.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,766.65 : 1,231,734.03 = 341,725.62 : x
  2. Step 2: Convert to fraction form
    821,766.65/1,231,734.03 = 341,725.62/x
  3. Step 3: Cross multiply
    821,766.65x = 1,231,734.03 × 341,725.62
  4. Step 4: Simplify right side
    821,766.65x = 420,915,075,076.85
  5. Step 5: Solve for x
    x = 420,915,075,076.85/821,766.65
  6. Step 6: Final answer
    x = 512,207.54

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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.