Home / 695,230.76-1,042,583.68-320,991.32

Finding the Fourth Proportional to 695,230.76, 1,042,583.68 and 320,991.32

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Solution

The fourth proportional to 695,230.76, 1,042,583.68 and 320,991.32 is: 481,365.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,230.76 : 1,042,583.68 = 320,991.32 : x
  2. Step 2: Convert to fraction form
    695,230.76/1,042,583.68 = 320,991.32/x
  3. Step 3: Cross multiply
    695,230.76x = 1,042,583.68 × 320,991.32
  4. Step 4: Simplify right side
    695,230.76x = 334,660,311,653.66
  5. Step 5: Solve for x
    x = 334,660,311,653.66/695,230.76
  6. Step 6: Final answer
    x = 481,365.80

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Double scale
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1.5x scale

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.