Home / 629,147.07-868,308.66-371,096.91

Finding the Fourth Proportional to 629,147.07, 868,308.66 and 371,096.91

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Solution

The fourth proportional to 629,147.07, 868,308.66 and 371,096.91 is: 512,164.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,147.07 : 868,308.66 = 371,096.91 : x
  2. Step 2: Convert to fraction form
    629,147.07/868,308.66 = 371,096.91/x
  3. Step 3: Cross multiply
    629,147.07x = 868,308.66 × 371,096.91
  4. Step 4: Simplify right side
    629,147.07x = 322,226,660,652.24
  5. Step 5: Solve for x
    x = 322,226,660,652.24/629,147.07
  6. Step 6: Final answer
    x = 512,164.29

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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.