Home / 712,002.31-1,067,837.33-206,427.59

Finding the Fourth Proportional to 712,002.31, 1,067,837.33 and 206,427.59

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Solution

The fourth proportional to 712,002.31, 1,067,837.33 and 206,427.59 is: 309,593.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,002.31 : 1,067,837.33 = 206,427.59 : x
  2. Step 2: Convert to fraction form
    712,002.31/1,067,837.33 = 206,427.59/x
  3. Step 3: Cross multiply
    712,002.31x = 1,067,837.33 × 206,427.59
  4. Step 4: Simplify right side
    712,002.31x = 220,431,089,729.60
  5. Step 5: Solve for x
    x = 220,431,089,729.60/712,002.31
  6. Step 6: Final answer
    x = 309,593.22

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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.