Home / 629,052.48-868,112.64-342,584.64

Finding the Fourth Proportional to 629,052.48, 868,112.64 and 342,584.64

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Solution

The fourth proportional to 629,052.48, 868,112.64 and 342,584.64 is: 472,777.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,052.48 : 868,112.64 = 342,584.64 : x
  2. Step 2: Convert to fraction form
    629,052.48/868,112.64 = 342,584.64/x
  3. Step 3: Cross multiply
    629,052.48x = 868,112.64 × 342,584.64
  4. Step 4: Simplify right side
    629,052.48x = 297,402,056,253.85
  5. Step 5: Solve for x
    x = 297,402,056,253.85/629,052.48
  6. Step 6: Final answer
    x = 472,777.81

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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.