Home / 711,691.64-1,067,369.78-262,168.36

Finding the Fourth Proportional to 711,691.64, 1,067,369.78 and 262,168.36

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Solution

The fourth proportional to 711,691.64, 1,067,369.78 and 262,168.36 is: 393,190.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,691.64 : 1,067,369.78 = 262,168.36 : x
  2. Step 2: Convert to fraction form
    711,691.64/1,067,369.78 = 262,168.36/x
  3. Step 3: Cross multiply
    711,691.64x = 1,067,369.78 × 262,168.36
  4. Step 4: Simplify right side
    711,691.64x = 279,830,584,736.16
  5. Step 5: Solve for x
    x = 279,830,584,736.16/711,691.64
  6. Step 6: Final answer
    x = 393,190.77

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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.