Home / 727,231.01-1,003,558.21-396,079.42

Finding the Fourth Proportional to 727,231.01, 1,003,558.21 and 396,079.42

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Solution

The fourth proportional to 727,231.01, 1,003,558.21 and 396,079.42 is: 546,578.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,231.01 : 1,003,558.21 = 396,079.42 : x
  2. Step 2: Convert to fraction form
    727,231.01/1,003,558.21 = 396,079.42/x
  3. Step 3: Cross multiply
    727,231.01x = 1,003,558.21 × 396,079.42
  4. Step 4: Simplify right side
    727,231.01x = 397,488,752,135.62
  5. Step 5: Solve for x
    x = 397,488,752,135.62/727,231.01
  6. Step 6: Final answer
    x = 546,578.39

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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.