Home / 727,711.08-1,091,108.52-222,103.86

Finding the Fourth Proportional to 727,711.08, 1,091,108.52 and 222,103.86

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Solution

The fourth proportional to 727,711.08, 1,091,108.52 and 222,103.86 is: 333,015.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,711.08 : 1,091,108.52 = 222,103.86 : x
  2. Step 2: Convert to fraction form
    727,711.08/1,091,108.52 = 222,103.86/x
  3. Step 3: Cross multiply
    727,711.08x = 1,091,108.52 × 222,103.86
  4. Step 4: Simplify right side
    727,711.08x = 242,339,413,970.89
  5. Step 5: Solve for x
    x = 242,339,413,970.89/727,711.08
  6. Step 6: Final answer
    x = 333,015.97

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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.