Home / 979,817.37-1,469,731.02-305,842.18

Finding the Fourth Proportional to 979,817.37, 1,469,731.02 and 305,842.18

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Solution

The fourth proportional to 979,817.37, 1,469,731.02 and 305,842.18 is: 458,764.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,817.37 : 1,469,731.02 = 305,842.18 : x
  2. Step 2: Convert to fraction form
    979,817.37/1,469,731.02 = 305,842.18/x
  3. Step 3: Cross multiply
    979,817.37x = 1,469,731.02 × 305,842.18
  4. Step 4: Simplify right side
    979,817.37x = 449,505,739,170.42
  5. Step 5: Solve for x
    x = 449,505,739,170.42/979,817.37
  6. Step 6: Final answer
    x = 458,764.82

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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.