Home / 722,958.94-1,084,219.82-217,385.71

Finding the Fourth Proportional to 722,958.94, 1,084,219.82 and 217,385.71

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Solution

The fourth proportional to 722,958.94, 1,084,219.82 and 217,385.71 is: 326,012.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,958.94 : 1,084,219.82 = 217,385.71 : x
  2. Step 2: Convert to fraction form
    722,958.94/1,084,219.82 = 217,385.71/x
  3. Step 3: Cross multiply
    722,958.94x = 1,084,219.82 × 217,385.71
  4. Step 4: Simplify right side
    722,958.94x = 235,693,893,199.69
  5. Step 5: Solve for x
    x = 235,693,893,199.69/722,958.94
  6. Step 6: Final answer
    x = 326,012.83

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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.