Home / 790,758.37-1,091,245.00-428,181.11

Finding the Fourth Proportional to 790,758.37, 1,091,245.00 and 428,181.11

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Solution

The fourth proportional to 790,758.37, 1,091,245.00 and 428,181.11 is: 590,889.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,758.37 : 1,091,245.00 = 428,181.11 : x
  2. Step 2: Convert to fraction form
    790,758.37/1,091,245.00 = 428,181.11/x
  3. Step 3: Cross multiply
    790,758.37x = 1,091,245.00 × 428,181.11
  4. Step 4: Simplify right side
    790,758.37x = 467,250,496,217.30
  5. Step 5: Solve for x
    x = 467,250,496,217.30/790,758.37
  6. Step 6: Final answer
    x = 590,889.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.