Home / 679,677.56-1,019,450.39-206,367.02

Finding the Fourth Proportional to 679,677.56, 1,019,450.39 and 206,367.02

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Solution

The fourth proportional to 679,677.56, 1,019,450.39 and 206,367.02 is: 309,530.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,677.56 : 1,019,450.39 = 206,367.02 : x
  2. Step 2: Convert to fraction form
    679,677.56/1,019,450.39 = 206,367.02/x
  3. Step 3: Cross multiply
    679,677.56x = 1,019,450.39 × 206,367.02
  4. Step 4: Simplify right side
    679,677.56x = 210,380,932,893.05
  5. Step 5: Solve for x
    x = 210,380,932,893.05/679,677.56
  6. Step 6: Final answer
    x = 309,530.50

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1.5x scale

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.