Home / 821,059.63-1,231,706.99-252,488.38

Finding the Fourth Proportional to 821,059.63, 1,231,706.99 and 252,488.38

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Solution

The fourth proportional to 821,059.63, 1,231,706.99 and 252,488.38 is: 378,768.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,059.63 : 1,231,706.99 = 252,488.38 : x
  2. Step 2: Convert to fraction form
    821,059.63/1,231,706.99 = 252,488.38/x
  3. Step 3: Cross multiply
    821,059.63x = 1,231,706.99 × 252,488.38
  4. Step 4: Simplify right side
    821,059.63x = 310,991,702,539.78
  5. Step 5: Solve for x
    x = 310,991,702,539.78/821,059.63
  6. Step 6: Final answer
    x = 378,768.72

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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.