Home / 646,614.62-892,293.01-356,169.58

Finding the Fourth Proportional to 646,614.62, 892,293.01 and 356,169.58

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Solution

The fourth proportional to 646,614.62, 892,293.01 and 356,169.58 is: 491,494.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,614.62 : 892,293.01 = 356,169.58 : x
  2. Step 2: Convert to fraction form
    646,614.62/892,293.01 = 356,169.58/x
  3. Step 3: Cross multiply
    646,614.62x = 892,293.01 × 356,169.58
  4. Step 4: Simplify right side
    646,614.62x = 317,807,620,366.32
  5. Step 5: Solve for x
    x = 317,807,620,366.32/646,614.62
  6. Step 6: Final answer
    x = 491,494.64

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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.