Home / 784,379.30-1,082,422.40-444,840.26

Finding the Fourth Proportional to 784,379.30, 1,082,422.40 and 444,840.26

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Solution

The fourth proportional to 784,379.30, 1,082,422.40 and 444,840.26 is: 613,867.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,379.30 : 1,082,422.40 = 444,840.26 : x
  2. Step 2: Convert to fraction form
    784,379.30/1,082,422.40 = 444,840.26/x
  3. Step 3: Cross multiply
    784,379.30x = 1,082,422.40 × 444,840.26
  4. Step 4: Simplify right side
    784,379.30x = 481,505,061,845.82
  5. Step 5: Solve for x
    x = 481,505,061,845.82/784,379.30
  6. Step 6: Final answer
    x = 613,867.63

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Double scale
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1.5x scale

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.