Home / 792,644.26-1,188,716.60-260,041.18

Finding the Fourth Proportional to 792,644.26, 1,188,716.60 and 260,041.18

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Solution

The fourth proportional to 792,644.26, 1,188,716.60 and 260,041.18 is: 389,979.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,644.26 : 1,188,716.60 = 260,041.18 : x
  2. Step 2: Convert to fraction form
    792,644.26/1,188,716.60 = 260,041.18/x
  3. Step 3: Cross multiply
    792,644.26x = 1,188,716.60 × 260,041.18
  4. Step 4: Simplify right side
    792,644.26x = 309,115,267,349.59
  5. Step 5: Solve for x
    x = 309,115,267,349.59/792,644.26
  6. Step 6: Final answer
    x = 389,979.82

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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.