Home / 456,872.94-629,824.21-320,483.72

Finding the Fourth Proportional to 456,872.94, 629,824.21 and 320,483.72

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Solution

The fourth proportional to 456,872.94, 629,824.21 and 320,483.72 is: 441,804.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,872.94 : 629,824.21 = 320,483.72 : x
  2. Step 2: Convert to fraction form
    456,872.94/629,824.21 = 320,483.72/x
  3. Step 3: Cross multiply
    456,872.94x = 629,824.21 × 320,483.72
  4. Step 4: Simplify right side
    456,872.94x = 201,848,406,540.21
  5. Step 5: Solve for x
    x = 201,848,406,540.21/456,872.94
  6. Step 6: Final answer
    x = 441,804.25

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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.