Finding the Fourth Proportional to 658,614.96, 908,889.53 and 356,808.96
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Solution
The fourth proportional to 658,614.96, 908,889.53 and 356,808.96 is: 492,396.84
Step by Step Solution
- Step 1: Write the proportion equation
658,614.96 : 908,889.53 = 356,808.96 : x - Step 2: Convert to fraction form
658,614.96/908,889.53 = 356,808.96/x - Step 3: Cross multiply
658,614.96x = 908,889.53 × 356,808.96 - Step 4: Simplify right side
658,614.96x = 324,299,926,170.14 - Step 5: Solve for x
x = 324,299,926,170.14/658,614.96 - Step 6: Final answer
x = 492,396.84
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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.