Home / 679,907.24-1,019,691.30-200,039.56

Finding the Fourth Proportional to 679,907.24, 1,019,691.30 and 200,039.56

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Solution

The fourth proportional to 679,907.24, 1,019,691.30 and 200,039.56 is: 300,009.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,907.24 : 1,019,691.30 = 200,039.56 : x
  2. Step 2: Convert to fraction form
    679,907.24/1,019,691.30 = 200,039.56/x
  3. Step 3: Cross multiply
    679,907.24x = 1,019,691.30 × 200,039.56
  4. Step 4: Simplify right side
    679,907.24x = 203,978,598,987.83
  5. Step 5: Solve for x
    x = 203,978,598,987.83/679,907.24
  6. Step 6: Final answer
    x = 300,009.45

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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.