Home / 800,796.23-1,105,098.87-438,220.07

Finding the Fourth Proportional to 800,796.23, 1,105,098.87 and 438,220.07

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Solution

The fourth proportional to 800,796.23, 1,105,098.87 and 438,220.07 is: 604,743.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,796.23 : 1,105,098.87 = 438,220.07 : x
  2. Step 2: Convert to fraction form
    800,796.23/1,105,098.87 = 438,220.07/x
  3. Step 3: Cross multiply
    800,796.23x = 1,105,098.87 × 438,220.07
  4. Step 4: Simplify right side
    800,796.23x = 484,276,504,168.32
  5. Step 5: Solve for x
    x = 484,276,504,168.32/800,796.23
  6. Step 6: Final answer
    x = 604,743.74

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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.