Home / 679,675.79-1,019,447.76-206,365.25

Finding the Fourth Proportional to 679,675.79, 1,019,447.76 and 206,365.25

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Solution

The fourth proportional to 679,675.79, 1,019,447.76 and 206,365.25 is: 309,527.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,675.79 : 1,019,447.76 = 206,365.25 : x
  2. Step 2: Convert to fraction form
    679,675.79/1,019,447.76 = 206,365.25/x
  3. Step 3: Cross multiply
    679,675.79x = 1,019,447.76 × 206,365.25
  4. Step 4: Simplify right side
    679,675.79x = 210,378,591,854.34
  5. Step 5: Solve for x
    x = 210,378,591,854.34/679,675.79
  6. Step 6: Final answer
    x = 309,527.86

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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.