Home / 679,350.80-1,018,896.60-206,051.60

Finding the Fourth Proportional to 679,350.80, 1,018,896.60 and 206,051.60

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Solution

The fourth proportional to 679,350.80, 1,018,896.60 and 206,051.60 is: 309,038.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,350.80 : 1,018,896.60 = 206,051.60 : x
  2. Step 2: Convert to fraction form
    679,350.80/1,018,896.60 = 206,051.60/x
  3. Step 3: Cross multiply
    679,350.80x = 1,018,896.60 × 206,051.60
  4. Step 4: Simplify right side
    679,350.80x = 209,945,274,664.56
  5. Step 5: Solve for x
    x = 209,945,274,664.56/679,350.80
  6. Step 6: Final answer
    x = 309,038.09

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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.