Finding the Fourth Proportional to 855,242.42, 1,283,157.05 and 322,915.68
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Solution
The fourth proportional to 855,242.42, 1,283,157.05 and 322,915.68 is: 484,484.31
Step by Step Solution
- Step 1: Write the proportion equation
855,242.42 : 1,283,157.05 = 322,915.68 : x - Step 2: Convert to fraction form
855,242.42/1,283,157.05 = 322,915.68/x - Step 3: Cross multiply
855,242.42x = 1,283,157.05 × 322,915.68 - Step 4: Simplify right side
855,242.42x = 414,351,529,732.97 - Step 5: Solve for x
x = 414,351,529,732.97/855,242.42 - Step 6: Final answer
x = 484,484.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.