Home / 679,399.02-1,019,245.14-206,122.50

Finding the Fourth Proportional to 679,399.02, 1,019,245.14 and 206,122.50

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Solution

The fourth proportional to 679,399.02, 1,019,245.14 and 206,122.50 is: 309,228.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,399.02 : 1,019,245.14 = 206,122.50 : x
  2. Step 2: Convert to fraction form
    679,399.02/1,019,245.14 = 206,122.50/x
  3. Step 3: Cross multiply
    679,399.02x = 1,019,245.14 × 206,122.50
  4. Step 4: Simplify right side
    679,399.02x = 210,089,356,369.65
  5. Step 5: Solve for x
    x = 210,089,356,369.65/679,399.02
  6. Step 6: Final answer
    x = 309,228.23

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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.