Home / 629,656.80-868,946.67-357,719.73

Finding the Fourth Proportional to 629,656.80, 868,946.67 and 357,719.73

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Solution

The fourth proportional to 629,656.80, 868,946.67 and 357,719.73 is: 493,664.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,656.80 : 868,946.67 = 357,719.73 : x
  2. Step 2: Convert to fraction form
    629,656.80/868,946.67 = 357,719.73/x
  3. Step 3: Cross multiply
    629,656.80x = 868,946.67 × 357,719.73
  4. Step 4: Simplify right side
    629,656.80x = 310,839,368,176.80
  5. Step 5: Solve for x
    x = 310,839,368,176.80/629,656.80
  6. Step 6: Final answer
    x = 493,664.75

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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.