Home / 808,104.53-1,115,132.86-445,508.57

Finding the Fourth Proportional to 808,104.53, 1,115,132.86 and 445,508.57

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Solution

The fourth proportional to 808,104.53, 1,115,132.86 and 445,508.57 is: 614,773.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,104.53 : 1,115,132.86 = 445,508.57 : x
  2. Step 2: Convert to fraction form
    808,104.53/1,115,132.86 = 445,508.57/x
  3. Step 3: Cross multiply
    808,104.53x = 1,115,132.86 × 445,508.57
  4. Step 4: Simplify right side
    808,104.53x = 496,801,245,818.61
  5. Step 5: Solve for x
    x = 496,801,245,818.61/808,104.53
  6. Step 6: Final answer
    x = 614,773.49

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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.