Home / 679,906.86-1,019,509.33-200,072.31

Finding the Fourth Proportional to 679,906.86, 1,019,509.33 and 200,072.31

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Solution

The fourth proportional to 679,906.86, 1,019,509.33 and 200,072.31 is: 300,005.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,906.86 : 1,019,509.33 = 200,072.31 : x
  2. Step 2: Convert to fraction form
    679,906.86/1,019,509.33 = 200,072.31/x
  3. Step 3: Cross multiply
    679,906.86x = 1,019,509.33 × 200,072.31
  4. Step 4: Simplify right side
    679,906.86x = 203,975,586,719.65
  5. Step 5: Solve for x
    x = 203,975,586,719.65/679,906.86
  6. Step 6: Final answer
    x = 300,005.19

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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.