Home / 791,164.36-1,091,805.83-428,589.72

Finding the Fourth Proportional to 791,164.36, 1,091,805.83 and 428,589.72

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Solution

The fourth proportional to 791,164.36, 1,091,805.83 and 428,589.72 is: 591,453.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,164.36 : 1,091,805.83 = 428,589.72 : x
  2. Step 2: Convert to fraction form
    791,164.36/1,091,805.83 = 428,589.72/x
  3. Step 3: Cross multiply
    791,164.36x = 1,091,805.83 × 428,589.72
  4. Step 4: Simplify right side
    791,164.36x = 467,936,754,438.33
  5. Step 5: Solve for x
    x = 467,936,754,438.33/791,164.36
  6. Step 6: Final answer
    x = 591,453.28

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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.