Home / 812,200.99-1,216,969.84-575,118.04

Finding the Fourth Proportional to 812,200.99, 1,216,969.84 and 575,118.04

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Solution

The fourth proportional to 812,200.99, 1,216,969.84 and 575,118.04 is: 861,734.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,200.99 : 1,216,969.84 = 575,118.04 : x
  2. Step 2: Convert to fraction form
    812,200.99/1,216,969.84 = 575,118.04/x
  3. Step 3: Cross multiply
    812,200.99x = 1,216,969.84 × 575,118.04
  4. Step 4: Simplify right side
    812,200.99x = 699,901,309,119.91
  5. Step 5: Solve for x
    x = 699,901,309,119.91/812,200.99
  6. Step 6: Final answer
    x = 861,734.12

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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.