Home / 469,372.24-647,563.96-308,314

Finding the Fourth Proportional to 469,372.24, 647,563.96 and 308,314

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Solution

The fourth proportional to 469,372.24, 647,563.96 and 308,314 is: 425,361.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,372.24 : 647,563.96 = 308,314 : x
  2. Step 2: Convert to fraction form
    469,372.24/647,563.96 = 308,314/x
  3. Step 3: Cross multiply
    469,372.24x = 647,563.96 × 308,314
  4. Step 4: Simplify right side
    469,372.24x = 199,653,034,763.44
  5. Step 5: Solve for x
    x = 199,653,034,763.44/469,372.24
  6. Step 6: Final answer
    x = 425,361.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.