Finding the Fourth Proportional to 494,816.40, 682,774.02 and 277,013.75
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Solution
The fourth proportional to 494,816.40, 682,774.02 and 277,013.75 is: 382,238.32
Step by Step Solution
- Step 1: Write the proportion equation
494,816.40 : 682,774.02 = 277,013.75 : x - Step 2: Convert to fraction form
494,816.40/682,774.02 = 277,013.75/x - Step 3: Cross multiply
494,816.40x = 682,774.02 × 277,013.75 - Step 4: Simplify right side
494,816.40x = 189,137,788,268.91 - Step 5: Solve for x
x = 189,137,788,268.91/494,816.40 - Step 6: Final answer
x = 382,238.32
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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.