Home / 858,785.58-1,288,395.72-606,558.60

Finding the Fourth Proportional to 858,785.58, 1,288,395.72 and 606,558.60

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Solution

The fourth proportional to 858,785.58, 1,288,395.72 and 606,558.60 is: 909,991.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,785.58 : 1,288,395.72 = 606,558.60 : x
  2. Step 2: Convert to fraction form
    858,785.58/1,288,395.72 = 606,558.60/x
  3. Step 3: Cross multiply
    858,785.58x = 1,288,395.72 × 606,558.60
  4. Step 4: Simplify right side
    858,785.58x = 781,487,504,169.19
  5. Step 5: Solve for x
    x = 781,487,504,169.19/858,785.58
  6. Step 6: Final answer
    x = 909,991.41

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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.