Home / 629,176.84-868,006.26-357,185.80

Finding the Fourth Proportional to 629,176.84, 868,006.26 and 357,185.80

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Solution

The fourth proportional to 629,176.84, 868,006.26 and 357,185.80 is: 492,770.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,176.84 : 868,006.26 = 357,185.80 : x
  2. Step 2: Convert to fraction form
    629,176.84/868,006.26 = 357,185.80/x
  3. Step 3: Cross multiply
    629,176.84x = 868,006.26 × 357,185.80
  4. Step 4: Simplify right side
    629,176.84x = 310,039,510,383.11
  5. Step 5: Solve for x
    x = 310,039,510,383.11/629,176.84
  6. Step 6: Final answer
    x = 492,770.06

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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.