Finding the Fourth Proportional to 666,639.96, 1,000,084.37 and 267,311.99
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Solution
The fourth proportional to 666,639.96, 1,000,084.37 and 267,311.99 is: 401,017.87
Step by Step Solution
- Step 1: Write the proportion equation
666,639.96 : 1,000,084.37 = 267,311.99 : x - Step 2: Convert to fraction form
666,639.96/1,000,084.37 = 267,311.99/x - Step 3: Cross multiply
666,639.96x = 1,000,084.37 × 267,311.99 - Step 4: Simplify right side
666,639.96x = 267,334,536,775.62 - Step 5: Solve for x
x = 267,334,536,775.62/666,639.96 - Step 6: Final answer
x = 401,017.87
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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.