Home / 419,569.86-629,079.03-203,371.35

Finding the Fourth Proportional to 419,569.86, 629,079.03 and 203,371.35

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Solution

The fourth proportional to 419,569.86, 629,079.03 and 203,371.35 is: 304,923.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,569.86 : 629,079.03 = 203,371.35 : x
  2. Step 2: Convert to fraction form
    419,569.86/629,079.03 = 203,371.35/x
  3. Step 3: Cross multiply
    419,569.86x = 629,079.03 × 203,371.35
  4. Step 4: Simplify right side
    419,569.86x = 127,936,651,587.79
  5. Step 5: Solve for x
    x = 127,936,651,587.79/419,569.86
  6. Step 6: Final answer
    x = 304,923.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.