Home / 869,059.20-1,303,588.80-659,107.20

Finding the Fourth Proportional to 869,059.20, 1,303,588.80 and 659,107.20

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Solution

The fourth proportional to 869,059.20, 1,303,588.80 and 659,107.20 is: 988,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,059.20 : 1,303,588.80 = 659,107.20 : x
  2. Step 2: Convert to fraction form
    869,059.20/1,303,588.80 = 659,107.20/x
  3. Step 3: Cross multiply
    869,059.20x = 1,303,588.80 × 659,107.20
  4. Step 4: Simplify right side
    869,059.20x = 859,204,763,919.36
  5. Step 5: Solve for x
    x = 859,204,763,919.36/869,059.20
  6. Step 6: Final answer
    x = 988,660.80

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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.