Home / 629,939.56-869,320.73-343,464.43

Finding the Fourth Proportional to 629,939.56, 869,320.73 and 343,464.43

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Solution

The fourth proportional to 629,939.56, 869,320.73 and 343,464.43 is: 473,983.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,939.56 : 869,320.73 = 343,464.43 : x
  2. Step 2: Convert to fraction form
    629,939.56/869,320.73 = 343,464.43/x
  3. Step 3: Cross multiply
    629,939.56x = 869,320.73 × 343,464.43
  4. Step 4: Simplify right side
    629,939.56x = 298,580,749,016.63
  5. Step 5: Solve for x
    x = 298,580,749,016.63/629,939.56
  6. Step 6: Final answer
    x = 473,983.17

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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.