Home / 771,194.28-1,064,247.94-431,662.60

Finding the Fourth Proportional to 771,194.28, 1,064,247.94 and 431,662.60

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Solution

The fourth proportional to 771,194.28, 1,064,247.94 and 431,662.60 is: 595,694.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,194.28 : 1,064,247.94 = 431,662.60 : x
  2. Step 2: Convert to fraction form
    771,194.28/1,064,247.94 = 431,662.60/x
  3. Step 3: Cross multiply
    771,194.28x = 1,064,247.94 × 431,662.60
  4. Step 4: Simplify right side
    771,194.28x = 459,396,032,825.04
  5. Step 5: Solve for x
    x = 459,396,032,825.04/771,194.28
  6. Step 6: Final answer
    x = 595,694.29

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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.