Finding the Fourth Proportional to 495,979.62, 684,408.09 and 275,222.44
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Solution
The fourth proportional to 495,979.62, 684,408.09 and 275,222.44 is: 379,782.67
Step by Step Solution
- Step 1: Write the proportion equation
495,979.62 : 684,408.09 = 275,222.44 : x - Step 2: Convert to fraction form
495,979.62/684,408.09 = 275,222.44/x - Step 3: Cross multiply
495,979.62x = 684,408.09 × 275,222.44 - Step 4: Simplify right side
495,979.62x = 188,364,464,485.54 - Step 5: Solve for x
x = 188,364,464,485.54/495,979.62 - Step 6: Final answer
x = 379,782.67
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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.