Home / 764,665.44-1,055,236.79-438,084.22

Finding the Fourth Proportional to 764,665.44, 1,055,236.79 and 438,084.22

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Solution

The fourth proportional to 764,665.44, 1,055,236.79 and 438,084.22 is: 604,555.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,665.44 : 1,055,236.79 = 438,084.22 : x
  2. Step 2: Convert to fraction form
    764,665.44/1,055,236.79 = 438,084.22/x
  3. Step 3: Cross multiply
    764,665.44x = 1,055,236.79 × 438,084.22
  4. Step 4: Simplify right side
    764,665.44x = 462,282,586,062.45
  5. Step 5: Solve for x
    x = 462,282,586,062.45/764,665.44
  6. Step 6: Final answer
    x = 604,555.35

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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.