Home / 790,843.37-1,091,364.43-428,267.62

Finding the Fourth Proportional to 790,843.37, 1,091,364.43 and 428,267.62

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Solution

The fourth proportional to 790,843.37, 1,091,364.43 and 428,267.62 is: 591,009.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,843.37 : 1,091,364.43 = 428,267.62 : x
  2. Step 2: Convert to fraction form
    790,843.37/1,091,364.43 = 428,267.62/x
  3. Step 3: Cross multiply
    790,843.37x = 1,091,364.43 × 428,267.62
  4. Step 4: Simplify right side
    790,843.37x = 467,396,043,189.68
  5. Step 5: Solve for x
    x = 467,396,043,189.68/790,843.37
  6. Step 6: Final answer
    x = 591,009.63

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1.5x scale

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.