Finding the Fourth Proportional to 627,522.98, 865,988.42 and 341,043.08
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Solution
The fourth proportional to 627,522.98, 865,988.42 and 341,043.08 is: 470,643.09
Step by Step Solution
- Step 1: Write the proportion equation
627,522.98 : 865,988.42 = 341,043.08 : x - Step 2: Convert to fraction form
627,522.98/865,988.42 = 341,043.08/x - Step 3: Cross multiply
627,522.98x = 865,988.42 × 341,043.08 - Step 4: Simplify right side
627,522.98x = 295,339,351,965.98 - Step 5: Solve for x
x = 295,339,351,965.98/627,522.98 - Step 6: Final answer
x = 470,643.09
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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.