Home / 629,101-868,193.94-360,846.28

Finding the Fourth Proportional to 629,101, 868,193.94 and 360,846.28

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Solution

The fourth proportional to 629,101, 868,193.94 and 360,846.28 is: 497,987.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,101 : 868,193.94 = 360,846.28 : x
  2. Step 2: Convert to fraction form
    629,101/868,193.94 = 360,846.28/x
  3. Step 3: Cross multiply
    629,101x = 868,193.94 × 360,846.28
  4. Step 4: Simplify right side
    629,101x = 313,284,553,567.54
  5. Step 5: Solve for x
    x = 313,284,553,567.54/629,101
  6. Step 6: Final answer
    x = 497,987.69

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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.