Home / 821,259.42-1,231,892.16-252,636.58

Finding the Fourth Proportional to 821,259.42, 1,231,892.16 and 252,636.58

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Solution

The fourth proportional to 821,259.42, 1,231,892.16 and 252,636.58 is: 378,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,259.42 : 1,231,892.16 = 252,636.58 : x
  2. Step 2: Convert to fraction form
    821,259.42/1,231,892.16 = 252,636.58/x
  3. Step 3: Cross multiply
    821,259.42x = 1,231,892.16 × 252,636.58
  4. Step 4: Simplify right side
    821,259.42x = 311,221,022,231.21
  5. Step 5: Solve for x
    x = 311,221,022,231.21/821,259.42
  6. Step 6: Final answer
    x = 378,955.80

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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.