Home / 892,857.64-1,339,288.86-218,941.96

Finding the Fourth Proportional to 892,857.64, 1,339,288.86 and 218,941.96

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Solution

The fourth proportional to 892,857.64, 1,339,288.86 and 218,941.96 is: 328,413.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,857.64 : 1,339,288.86 = 218,941.96 : x
  2. Step 2: Convert to fraction form
    892,857.64/1,339,288.86 = 218,941.96/x
  3. Step 3: Cross multiply
    892,857.64x = 1,339,288.86 × 218,941.96
  4. Step 4: Simplify right side
    892,857.64x = 293,226,528,014.57
  5. Step 5: Solve for x
    x = 293,226,528,014.57/892,857.64
  6. Step 6: Final answer
    x = 328,413.53

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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.