Finding the Fourth Proportional to 611,893.20, 917,524.62 and 274,644.75
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Solution
The fourth proportional to 611,893.20, 917,524.62 and 274,644.75 is: 411,825.66
Step by Step Solution
- Step 1: Write the proportion equation
611,893.20 : 917,524.62 = 274,644.75 : x - Step 2: Convert to fraction form
611,893.20/917,524.62 = 274,644.75/x - Step 3: Cross multiply
611,893.20x = 917,524.62 × 274,644.75 - Step 4: Simplify right side
611,893.20x = 251,993,319,878.75 - Step 5: Solve for x
x = 251,993,319,878.75/611,893.20 - Step 6: Final answer
x = 411,825.66
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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.