Finding the Fourth Proportional to 866,286.12, 1,299,551.31 and 267,295.98
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Solution
The fourth proportional to 866,286.12, 1,299,551.31 and 267,295.98 is: 400,981.65
Step by Step Solution
- Step 1: Write the proportion equation
866,286.12 : 1,299,551.31 = 267,295.98 : x - Step 2: Convert to fraction form
866,286.12/1,299,551.31 = 267,295.98/x - Step 3: Cross multiply
866,286.12x = 1,299,551.31 × 267,295.98 - Step 4: Simplify right side
866,286.12x = 347,364,840,966.73 - Step 5: Solve for x
x = 347,364,840,966.73/866,286.12 - Step 6: Final answer
x = 400,981.65
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1.5x scale
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.