Home / 892,365.62-1,231,479.41-484,467.57

Finding the Fourth Proportional to 892,365.62, 1,231,479.41 and 484,467.57

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Solution

The fourth proportional to 892,365.62, 1,231,479.41 and 484,467.57 is: 668,573.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,365.62 : 1,231,479.41 = 484,467.57 : x
  2. Step 2: Convert to fraction form
    892,365.62/1,231,479.41 = 484,467.57/x
  3. Step 3: Cross multiply
    892,365.62x = 1,231,479.41 × 484,467.57
  4. Step 4: Simplify right side
    892,365.62x = 596,611,834,845.40
  5. Step 5: Solve for x
    x = 596,611,834,845.40/892,365.62
  6. Step 6: Final answer
    x = 668,573.31

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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.