Home / 809,408.55-1,116,992.82-446,832.58

Finding the Fourth Proportional to 809,408.55, 1,116,992.82 and 446,832.58

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Solution

The fourth proportional to 809,408.55, 1,116,992.82 and 446,832.58 is: 616,633.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,408.55 : 1,116,992.82 = 446,832.58 : x
  2. Step 2: Convert to fraction form
    809,408.55/1,116,992.82 = 446,832.58/x
  3. Step 3: Cross multiply
    809,408.55x = 1,116,992.82 × 446,832.58
  4. Step 4: Simplify right side
    809,408.55x = 499,108,783,602.08
  5. Step 5: Solve for x
    x = 499,108,783,602.08/809,408.55
  6. Step 6: Final answer
    x = 616,633.94

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1.5x scale

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.