Finding the Fourth Proportional to 517,240.62, 713,787.39 and 290,881.26
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Solution
The fourth proportional to 517,240.62, 713,787.39 and 290,881.26 is: 401,413.52
Step by Step Solution
- Step 1: Write the proportion equation
517,240.62 : 713,787.39 = 290,881.26 : x - Step 2: Convert to fraction form
517,240.62/713,787.39 = 290,881.26/x - Step 3: Cross multiply
517,240.62x = 713,787.39 × 290,881.26 - Step 4: Simplify right side
517,240.62x = 207,627,375,375.31 - Step 5: Solve for x
x = 207,627,375,375.31/517,240.62 - Step 6: Final answer
x = 401,413.52
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1.5x scale
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.