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Finding the Fourth Proportional to 888,820, 1,333,230 and 223,972

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Solution

The fourth proportional to 888,820, 1,333,230 and 223,972 is: 335,958

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,820 : 1,333,230 = 223,972 : x
  2. Step 2: Convert to fraction form
    888,820/1,333,230 = 223,972/x
  3. Step 3: Cross multiply
    888,820x = 1,333,230 × 223,972
  4. Step 4: Simplify right side
    888,820x = 298,606,189,560
  5. Step 5: Solve for x
    x = 298,606,189,560/888,820
  6. Step 6: Final answer
    x = 335,958

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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.