Home / 629,837.04-868,913.43-371,611.50

Finding the Fourth Proportional to 629,837.04, 868,913.43 and 371,611.50

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Solution

The fourth proportional to 629,837.04, 868,913.43 and 371,611.50 is: 512,669.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,837.04 : 868,913.43 = 371,611.50 : x
  2. Step 2: Convert to fraction form
    629,837.04/868,913.43 = 371,611.50/x
  3. Step 3: Cross multiply
    629,837.04x = 868,913.43 × 371,611.50
  4. Step 4: Simplify right side
    629,837.04x = 322,898,223,092.45
  5. Step 5: Solve for x
    x = 322,898,223,092.45/629,837.04
  6. Step 6: Final answer
    x = 512,669.47

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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.