Home / 994,066.30-1,491,347.85-320,211.10

Finding the Fourth Proportional to 994,066.30, 1,491,347.85 and 320,211.10

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Solution

The fourth proportional to 994,066.30, 1,491,347.85 and 320,211.10 is: 480,396.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,066.30 : 1,491,347.85 = 320,211.10 : x
  2. Step 2: Convert to fraction form
    994,066.30/1,491,347.85 = 320,211.10/x
  3. Step 3: Cross multiply
    994,066.30x = 1,491,347.85 × 320,211.10
  4. Step 4: Simplify right side
    994,066.30x = 477,546,135,531.14
  5. Step 5: Solve for x
    x = 477,546,135,531.14/994,066.30
  6. Step 6: Final answer
    x = 480,396.67

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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.