Home / 679,676.24-1,019,448.54-206,365.70

Finding the Fourth Proportional to 679,676.24, 1,019,448.54 and 206,365.70

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Solution

The fourth proportional to 679,676.24, 1,019,448.54 and 206,365.70 is: 309,528.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,676.24 : 1,019,448.54 = 206,365.70 : x
  2. Step 2: Convert to fraction form
    679,676.24/1,019,448.54 = 206,365.70/x
  3. Step 3: Cross multiply
    679,676.24x = 1,019,448.54 × 206,365.70
  4. Step 4: Simplify right side
    679,676.24x = 210,379,206,473.84
  5. Step 5: Solve for x
    x = 210,379,206,473.84/679,676.24
  6. Step 6: Final answer
    x = 309,528.56

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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.