Home / 793,648.74-1,190,466.63-320,326.86

Finding the Fourth Proportional to 793,648.74, 1,190,466.63 and 320,326.86

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Solution

The fourth proportional to 793,648.74, 1,190,466.63 and 320,326.86 is: 480,487.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,648.74 : 1,190,466.63 = 320,326.86 : x
  2. Step 2: Convert to fraction form
    793,648.74/1,190,466.63 = 320,326.86/x
  3. Step 3: Cross multiply
    793,648.74x = 1,190,466.63 × 320,326.86
  4. Step 4: Simplify right side
    793,648.74x = 381,338,437,522.68
  5. Step 5: Solve for x
    x = 381,338,437,522.68/793,648.74
  6. Step 6: Final answer
    x = 480,487.67

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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.