Home / 701,655.89-1,052,641.84-221,912.75

Finding the Fourth Proportional to 701,655.89, 1,052,641.84 and 221,912.75

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Solution

The fourth proportional to 701,655.89, 1,052,641.84 and 221,912.75 is: 332,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,655.89 : 1,052,641.84 = 221,912.75 : x
  2. Step 2: Convert to fraction form
    701,655.89/1,052,641.84 = 221,912.75/x
  3. Step 3: Cross multiply
    701,655.89x = 1,052,641.84 × 221,912.75
  4. Step 4: Simplify right side
    701,655.89x = 233,594,650,485.85
  5. Step 5: Solve for x
    x = 233,594,650,485.85/701,655.89
  6. Step 6: Final answer
    x = 332,919.10

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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.