Finding the Fourth Proportional to 554,489.74, 764,683.78 and 350,185.06
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Solution
The fourth proportional to 554,489.74, 764,683.78 and 350,185.06 is: 482,931.99
Step by Step Solution
- Step 1: Write the proportion equation
554,489.74 : 764,683.78 = 350,185.06 : x - Step 2: Convert to fraction form
554,489.74/764,683.78 = 350,185.06/x - Step 3: Cross multiply
554,489.74x = 764,683.78 × 350,185.06 - Step 4: Simplify right side
554,489.74x = 267,780,835,380.33 - Step 5: Solve for x
x = 267,780,835,380.33/554,489.74 - Step 6: Final answer
x = 482,931.99
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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.