Finding the Fourth Proportional to 627,119.12, 865,092.64 and 397,270.88
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Solution
The fourth proportional to 627,119.12, 865,092.64 and 397,270.88 is: 548,023.66
Step by Step Solution
- Step 1: Write the proportion equation
627,119.12 : 865,092.64 = 397,270.88 : x - Step 2: Convert to fraction form
627,119.12/865,092.64 = 397,270.88/x - Step 3: Cross multiply
627,119.12x = 865,092.64 × 397,270.88 - Step 4: Simplify right side
627,119.12x = 343,676,114,374.32 - Step 5: Solve for x
x = 343,676,114,374.32/627,119.12 - Step 6: Final answer
x = 548,023.66
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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.