Home / 629,625.44-868,913.88-354,070.04

Finding the Fourth Proportional to 629,625.44, 868,913.88 and 354,070.04

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Solution

The fourth proportional to 629,625.44, 868,913.88 and 354,070.04 is: 488,633.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,625.44 : 868,913.88 = 354,070.04 : x
  2. Step 2: Convert to fraction form
    629,625.44/868,913.88 = 354,070.04/x
  3. Step 3: Cross multiply
    629,625.44x = 868,913.88 × 354,070.04
  4. Step 4: Simplify right side
    629,625.44x = 307,656,372,248.16
  5. Step 5: Solve for x
    x = 307,656,372,248.16/629,625.44
  6. Step 6: Final answer
    x = 488,633.96

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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.