Home / 711,669.31-1,067,558.67-206,237.21

Finding the Fourth Proportional to 711,669.31, 1,067,558.67 and 206,237.21

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Solution

The fourth proportional to 711,669.31, 1,067,558.67 and 206,237.21 is: 309,371.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,669.31 : 1,067,558.67 = 206,237.21 : x
  2. Step 2: Convert to fraction form
    711,669.31/1,067,558.67 = 206,237.21/x
  3. Step 3: Cross multiply
    711,669.31x = 1,067,558.67 × 206,237.21
  4. Step 4: Simplify right side
    711,669.31x = 220,170,316,274.32
  5. Step 5: Solve for x
    x = 220,170,316,274.32/711,669.31
  6. Step 6: Final answer
    x = 309,371.66

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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.