Home / 711,067.86-1,066,103.82-261,730.44

Finding the Fourth Proportional to 711,067.86, 1,066,103.82 and 261,730.44

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Solution

The fourth proportional to 711,067.86, 1,066,103.82 and 261,730.44 is: 392,412.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,067.86 : 1,066,103.82 = 261,730.44 : x
  2. Step 2: Convert to fraction form
    711,067.86/1,066,103.82 = 261,730.44/x
  3. Step 3: Cross multiply
    711,067.86x = 1,066,103.82 × 261,730.44
  4. Step 4: Simplify right side
    711,067.86x = 279,031,821,894.28
  5. Step 5: Solve for x
    x = 279,031,821,894.28/711,067.86
  6. Step 6: Final answer
    x = 392,412.37

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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.