Finding the Fourth Proportional to 579,318.75, 868,979.34 and 246,894.75
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Solution
The fourth proportional to 579,318.75, 868,979.34 and 246,894.75 is: 370,342.64
Step by Step Solution
- Step 1: Write the proportion equation
579,318.75 : 868,979.34 = 246,894.75 : x - Step 2: Convert to fraction form
579,318.75/868,979.34 = 246,894.75/x - Step 3: Cross multiply
579,318.75x = 868,979.34 × 246,894.75 - Step 4: Simplify right side
579,318.75x = 214,546,436,904.47 - Step 5: Solve for x
x = 214,546,436,904.47/579,318.75 - Step 6: Final answer
x = 370,342.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.