Home / 793,040.41-1,190,741.55-320,648.41

Finding the Fourth Proportional to 793,040.41, 1,190,741.55 and 320,648.41

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Solution

The fourth proportional to 793,040.41, 1,190,741.55 and 320,648.41 is: 481,450.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,040.41 : 1,190,741.55 = 320,648.41 : x
  2. Step 2: Convert to fraction form
    793,040.41/1,190,741.55 = 320,648.41/x
  3. Step 3: Cross multiply
    793,040.41x = 1,190,741.55 × 320,648.41
  4. Step 4: Simplify right side
    793,040.41x = 381,809,384,728.44
  5. Step 5: Solve for x
    x = 381,809,384,728.44/793,040.41
  6. Step 6: Final answer
    x = 481,450.10

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Double scale
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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.