Finding the Fourth Proportional to 719,258.44, 992,571.76 and 396,968.53
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Solution
The fourth proportional to 719,258.44, 992,571.76 and 396,968.53 is: 547,813.87
Step by Step Solution
- Step 1: Write the proportion equation
719,258.44 : 992,571.76 = 396,968.53 : x - Step 2: Convert to fraction form
719,258.44/992,571.76 = 396,968.53/x - Step 3: Cross multiply
719,258.44x = 992,571.76 × 396,968.53 - Step 4: Simplify right side
719,258.44x = 394,019,745,539.01 - Step 5: Solve for x
x = 394,019,745,539.01/719,258.44 - Step 6: Final answer
x = 547,813.87
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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.