Finding the Fourth Proportional to 994,056.06, 1,490,972.97 and 274,451.79
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Solution
The fourth proportional to 994,056.06, 1,490,972.97 and 274,451.79 is: 411,647.01
Step by Step Solution
- Step 1: Write the proportion equation
994,056.06 : 1,490,972.97 = 274,451.79 : x - Step 2: Convert to fraction form
994,056.06/1,490,972.97 = 274,451.79/x - Step 3: Cross multiply
994,056.06x = 1,490,972.97 × 274,451.79 - Step 4: Simplify right side
994,056.06x = 409,200,200,458.12 - Step 5: Solve for x
x = 409,200,200,458.12/994,056.06 - Step 6: Final answer
x = 411,647.01
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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.