Home / 791,109.44-1,186,644.72-230,148.80

Finding the Fourth Proportional to 791,109.44, 1,186,644.72 and 230,148.80

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Solution

The fourth proportional to 791,109.44, 1,186,644.72 and 230,148.80 is: 345,217.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,109.44 : 1,186,644.72 = 230,148.80 : x
  2. Step 2: Convert to fraction form
    791,109.44/1,186,644.72 = 230,148.80/x
  3. Step 3: Cross multiply
    791,109.44x = 1,186,644.72 × 230,148.80
  4. Step 4: Simplify right side
    791,109.44x = 273,104,858,334.34
  5. Step 5: Solve for x
    x = 273,104,858,334.34/791,109.44
  6. Step 6: Final answer
    x = 345,217.54

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1.5x scale

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.