Finding the Fourth Proportional to 627,639.06, 866,136.74 and 341,158.26
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Solution
The fourth proportional to 627,639.06, 866,136.74 and 341,158.26 is: 470,795.59
Step by Step Solution
- Step 1: Write the proportion equation
627,639.06 : 866,136.74 = 341,158.26 : x - Step 2: Convert to fraction form
627,639.06/866,136.74 = 341,158.26/x - Step 3: Cross multiply
627,639.06x = 866,136.74 × 341,158.26 - Step 4: Simplify right side
627,639.06x = 295,489,701,434.68 - Step 5: Solve for x
x = 295,489,701,434.68/627,639.06 - Step 6: Final answer
x = 470,795.59
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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.