Home / 679,529.70-1,019,268.60-206,195.94

Finding the Fourth Proportional to 679,529.70, 1,019,268.60 and 206,195.94

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Solution

The fourth proportional to 679,529.70, 1,019,268.60 and 206,195.94 is: 309,286.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,529.70 : 1,019,268.60 = 206,195.94 : x
  2. Step 2: Convert to fraction form
    679,529.70/1,019,268.60 = 206,195.94/x
  3. Step 3: Cross multiply
    679,529.70x = 1,019,268.60 × 206,195.94
  4. Step 4: Simplify right side
    679,529.70x = 210,169,047,089.48
  5. Step 5: Solve for x
    x = 210,169,047,089.48/679,529.70
  6. Step 6: Final answer
    x = 309,286.04

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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.