Home / 711,730.44-1,067,841.66-445,173.36

Finding the Fourth Proportional to 711,730.44, 1,067,841.66 and 445,173.36

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Solution

The fourth proportional to 711,730.44, 1,067,841.66 and 445,173.36 is: 667,913.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,730.44 : 1,067,841.66 = 445,173.36 : x
  2. Step 2: Convert to fraction form
    711,730.44/1,067,841.66 = 445,173.36/x
  3. Step 3: Cross multiply
    711,730.44x = 1,067,841.66 × 445,173.36
  4. Step 4: Simplify right side
    711,730.44x = 475,374,659,730.18
  5. Step 5: Solve for x
    x = 475,374,659,730.18/711,730.44
  6. Step 6: Final answer
    x = 667,913.91

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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.