Home / 807,003.38-1,113,622-462,821.52

Finding the Fourth Proportional to 807,003.38, 1,113,622 and 462,821.52

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Solution

The fourth proportional to 807,003.38, 1,113,622 and 462,821.52 is: 638,669.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,003.38 : 1,113,622 = 462,821.52 : x
  2. Step 2: Convert to fraction form
    807,003.38/1,113,622 = 462,821.52/x
  3. Step 3: Cross multiply
    807,003.38x = 1,113,622 × 462,821.52
  4. Step 4: Simplify right side
    807,003.38x = 515,408,226,745.44
  5. Step 5: Solve for x
    x = 515,408,226,745.44/807,003.38
  6. Step 6: Final answer
    x = 638,669.23

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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.