Home / 791,290.08-1,091,980.44-428,716.44

Finding the Fourth Proportional to 791,290.08, 1,091,980.44 and 428,716.44

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Solution

The fourth proportional to 791,290.08, 1,091,980.44 and 428,716.44 is: 591,628.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,290.08 : 1,091,980.44 = 428,716.44 : x
  2. Step 2: Convert to fraction form
    791,290.08/1,091,980.44 = 428,716.44/x
  3. Step 3: Cross multiply
    791,290.08x = 1,091,980.44 × 428,716.44
  4. Step 4: Simplify right side
    791,290.08x = 468,149,966,786.43
  5. Step 5: Solve for x
    x = 468,149,966,786.43/791,290.08
  6. Step 6: Final answer
    x = 591,628.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.