Home / 854,319.20-1,281,381.60-223,296.80

Finding the Fourth Proportional to 854,319.20, 1,281,381.60 and 223,296.80

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Solution

The fourth proportional to 854,319.20, 1,281,381.60 and 223,296.80 is: 334,919.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,319.20 : 1,281,381.60 = 223,296.80 : x
  2. Step 2: Convert to fraction form
    854,319.20/1,281,381.60 = 223,296.80/x
  3. Step 3: Cross multiply
    854,319.20x = 1,281,381.60 × 223,296.80
  4. Step 4: Simplify right side
    854,319.20x = 286,128,410,858.88
  5. Step 5: Solve for x
    x = 286,128,410,858.88/854,319.20
  6. Step 6: Final answer
    x = 334,919.79

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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.