Home / 691,009.78-1,036,662.26-241,745.31

Finding the Fourth Proportional to 691,009.78, 1,036,662.26 and 241,745.31

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Solution

The fourth proportional to 691,009.78, 1,036,662.26 and 241,745.31 is: 362,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,009.78 : 1,036,662.26 = 241,745.31 : x
  2. Step 2: Convert to fraction form
    691,009.78/1,036,662.26 = 241,745.31/x
  3. Step 3: Cross multiply
    691,009.78x = 1,036,662.26 × 241,745.31
  4. Step 4: Simplify right side
    691,009.78x = 250,608,239,409.00
  5. Step 5: Solve for x
    x = 250,608,239,409.00/691,009.78
  6. Step 6: Final answer
    x = 362,669.60

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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.