Home / 456,863.98-629,064.07-405,787.96

Finding the Fourth Proportional to 456,863.98, 629,064.07 and 405,787.96

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Solution

The fourth proportional to 456,863.98, 629,064.07 and 405,787.96 is: 558,736.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,863.98 : 629,064.07 = 405,787.96 : x
  2. Step 2: Convert to fraction form
    456,863.98/629,064.07 = 405,787.96/x
  3. Step 3: Cross multiply
    456,863.98x = 629,064.07 × 405,787.96
  4. Step 4: Simplify right side
    456,863.98x = 255,266,627,247.26
  5. Step 5: Solve for x
    x = 255,266,627,247.26/456,863.98
  6. Step 6: Final answer
    x = 558,736.60

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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.