Home / 859,524.08-1,288,668.57-403,858.37

Finding the Fourth Proportional to 859,524.08, 1,288,668.57 and 403,858.37

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Solution

The fourth proportional to 859,524.08, 1,288,668.57 and 403,858.37 is: 605,497.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,524.08 : 1,288,668.57 = 403,858.37 : x
  2. Step 2: Convert to fraction form
    859,524.08/1,288,668.57 = 403,858.37/x
  3. Step 3: Cross multiply
    859,524.08x = 1,288,668.57 × 403,858.37
  4. Step 4: Simplify right side
    859,524.08x = 520,439,588,150.43
  5. Step 5: Solve for x
    x = 520,439,588,150.43/859,524.08
  6. Step 6: Final answer
    x = 605,497.39

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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.