Home / 629,114.82-868,256.61-357,270.04

Finding the Fourth Proportional to 629,114.82, 868,256.61 and 357,270.04

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Solution

The fourth proportional to 629,114.82, 868,256.61 and 357,270.04 is: 493,077.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,114.82 : 868,256.61 = 357,270.04 : x
  2. Step 2: Convert to fraction form
    629,114.82/868,256.61 = 357,270.04/x
  3. Step 3: Cross multiply
    629,114.82x = 868,256.61 × 357,270.04
  4. Step 4: Simplify right side
    629,114.82x = 310,202,067,657.33
  5. Step 5: Solve for x
    x = 310,202,067,657.33/629,114.82
  6. Step 6: Final answer
    x = 493,077.03

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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.