Finding the Fourth Proportional to 627,342.93, 865,720.78 and 340,865.08
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Solution
The fourth proportional to 627,342.93, 865,720.78 and 340,865.08 is: 470,387.03
Step by Step Solution
- Step 1: Write the proportion equation
627,342.93 : 865,720.78 = 340,865.08 : x - Step 2: Convert to fraction form
627,342.93/865,720.78 = 340,865.08/x - Step 3: Cross multiply
627,342.93x = 865,720.78 × 340,865.08 - Step 4: Simplify right side
627,342.93x = 295,093,979,915.90 - Step 5: Solve for x
x = 295,093,979,915.90/627,342.93 - Step 6: Final answer
x = 470,387.03
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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.