Home / 866,635.22-1,299,687.96-305,538.50

Finding the Fourth Proportional to 866,635.22, 1,299,687.96 and 305,538.50

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Solution

The fourth proportional to 866,635.22, 1,299,687.96 and 305,538.50 is: 458,214.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,635.22 : 1,299,687.96 = 305,538.50 : x
  2. Step 2: Convert to fraction form
    866,635.22/1,299,687.96 = 305,538.50/x
  3. Step 3: Cross multiply
    866,635.22x = 1,299,687.96 × 305,538.50
  4. Step 4: Simplify right side
    866,635.22x = 397,104,709,766.46
  5. Step 5: Solve for x
    x = 397,104,709,766.46/866,635.22
  6. Step 6: Final answer
    x = 458,214.37

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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.