Home / 939,787.62-1,296,908.09-510,067.86

Finding the Fourth Proportional to 939,787.62, 1,296,908.09 and 510,067.86

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Solution

The fourth proportional to 939,787.62, 1,296,908.09 and 510,067.86 is: 703,894.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,787.62 : 1,296,908.09 = 510,067.86 : x
  2. Step 2: Convert to fraction form
    939,787.62/1,296,908.09 = 510,067.86/x
  3. Step 3: Cross multiply
    939,787.62x = 1,296,908.09 × 510,067.86
  4. Step 4: Simplify right side
    939,787.62x = 661,511,130,794.99
  5. Step 5: Solve for x
    x = 661,511,130,794.99/939,787.62
  6. Step 6: Final answer
    x = 703,894.28

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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.