Home / 892,079.31-1,231,073.15-484,181.74

Finding the Fourth Proportional to 892,079.31, 1,231,073.15 and 484,181.74

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Solution

The fourth proportional to 892,079.31, 1,231,073.15 and 484,181.74 is: 668,172.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,079.31 : 1,231,073.15 = 484,181.74 : x
  2. Step 2: Convert to fraction form
    892,079.31/1,231,073.15 = 484,181.74/x
  3. Step 3: Cross multiply
    892,079.31x = 1,231,073.15 × 484,181.74
  4. Step 4: Simplify right side
    892,079.31x = 596,063,137,413.37
  5. Step 5: Solve for x
    x = 596,063,137,413.37/892,079.31
  6. Step 6: Final answer
    x = 668,172.81

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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.