Home / 821,765.65-1,231,732.53-341,724.62

Finding the Fourth Proportional to 821,765.65, 1,231,732.53 and 341,724.62

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Solution

The fourth proportional to 821,765.65, 1,231,732.53 and 341,724.62 is: 512,206.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,765.65 : 1,231,732.53 = 341,724.62 : x
  2. Step 2: Convert to fraction form
    821,765.65/1,231,732.53 = 341,724.62/x
  3. Step 3: Cross multiply
    821,765.65x = 1,231,732.53 × 341,724.62
  4. Step 4: Simplify right side
    821,765.65x = 420,913,324,597.23
  5. Step 5: Solve for x
    x = 420,913,324,597.23/821,765.65
  6. Step 6: Final answer
    x = 512,206.04

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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.