Home / 629,107.62-868,178.41-342,627.48

Finding the Fourth Proportional to 629,107.62, 868,178.41 and 342,627.48

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Solution

The fourth proportional to 629,107.62, 868,178.41 and 342,627.48 is: 472,831.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,107.62 : 868,178.41 = 342,627.48 : x
  2. Step 2: Convert to fraction form
    629,107.62/868,178.41 = 342,627.48/x
  3. Step 3: Cross multiply
    629,107.62x = 868,178.41 × 342,627.48
  4. Step 4: Simplify right side
    629,107.62x = 297,461,781,266.02
  5. Step 5: Solve for x
    x = 297,461,781,266.02/629,107.62
  6. Step 6: Final answer
    x = 472,831.31

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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.