Home / 629,631.14-868,865.67-343,145.07

Finding the Fourth Proportional to 629,631.14, 868,865.67 and 343,145.07

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Solution

The fourth proportional to 629,631.14, 868,865.67 and 343,145.07 is: 473,526.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,631.14 : 868,865.67 = 343,145.07 : x
  2. Step 2: Convert to fraction form
    629,631.14/868,865.67 = 343,145.07/x
  3. Step 3: Cross multiply
    629,631.14x = 868,865.67 × 343,145.07
  4. Step 4: Simplify right side
    629,631.14x = 298,146,971,152.75
  5. Step 5: Solve for x
    x = 298,146,971,152.75/629,631.14
  6. Step 6: Final answer
    x = 473,526.41

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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.