Home / 854,629.13-1,281,353.20-374,626.37

Finding the Fourth Proportional to 854,629.13, 1,281,353.20 and 374,626.37

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Solution

The fourth proportional to 854,629.13, 1,281,353.20 and 374,626.37 is: 561,680.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,629.13 : 1,281,353.20 = 374,626.37 : x
  2. Step 2: Convert to fraction form
    854,629.13/1,281,353.20 = 374,626.37/x
  3. Step 3: Cross multiply
    854,629.13x = 1,281,353.20 × 374,626.37
  4. Step 4: Simplify right side
    854,629.13x = 480,028,691,597.12
  5. Step 5: Solve for x
    x = 480,028,691,597.12/854,629.13
  6. Step 6: Final answer
    x = 561,680.71

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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.