Home / 764,667.44-1,055,239.54-438,086.22

Finding the Fourth Proportional to 764,667.44, 1,055,239.54 and 438,086.22

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Solution

The fourth proportional to 764,667.44, 1,055,239.54 and 438,086.22 is: 604,558.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,667.44 : 1,055,239.54 = 438,086.22 : x
  2. Step 2: Convert to fraction form
    764,667.44/1,055,239.54 = 438,086.22/x
  3. Step 3: Cross multiply
    764,667.44x = 1,055,239.54 × 438,086.22
  4. Step 4: Simplify right side
    764,667.44x = 462,285,901,273.14
  5. Step 5: Solve for x
    x = 462,285,901,273.14/764,667.44
  6. Step 6: Final answer
    x = 604,558.11

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Double scale
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Similar ratio
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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.