Home / 821,506.22-1,232,399.45-366,262.64

Finding the Fourth Proportional to 821,506.22, 1,232,399.45 and 366,262.64

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Solution

The fourth proportional to 821,506.22, 1,232,399.45 and 366,262.64 is: 549,456.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,506.22 : 1,232,399.45 = 366,262.64 : x
  2. Step 2: Convert to fraction form
    821,506.22/1,232,399.45 = 366,262.64/x
  3. Step 3: Cross multiply
    821,506.22x = 1,232,399.45 × 366,262.64
  4. Step 4: Simplify right side
    821,506.22x = 451,381,876,091.55
  5. Step 5: Solve for x
    x = 451,381,876,091.55/821,506.22
  6. Step 6: Final answer
    x = 549,456.43

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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.