Home / 712,208.70-1,068,418.62-206,773.83

Finding the Fourth Proportional to 712,208.70, 1,068,418.62 and 206,773.83

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Solution

The fourth proportional to 712,208.70, 1,068,418.62 and 206,773.83 is: 310,191.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,208.70 : 1,068,418.62 = 206,773.83 : x
  2. Step 2: Convert to fraction form
    712,208.70/1,068,418.62 = 206,773.83/x
  3. Step 3: Cross multiply
    712,208.70x = 1,068,418.62 × 206,773.83
  4. Step 4: Simplify right side
    712,208.70x = 220,921,010,100.72
  5. Step 5: Solve for x
    x = 220,921,010,100.72/712,208.70
  6. Step 6: Final answer
    x = 310,191.39

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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.