Finding the Fourth Proportional to 887,850.21, 1,331,787.66 and 288,814.53
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Solution
The fourth proportional to 887,850.21, 1,331,787.66 and 288,814.53 is: 433,225.81
Step by Step Solution
- Step 1: Write the proportion equation
887,850.21 : 1,331,787.66 = 288,814.53 : x - Step 2: Convert to fraction form
887,850.21/1,331,787.66 = 288,814.53/x - Step 3: Cross multiply
887,850.21x = 1,331,787.66 × 288,814.53 - Step 4: Simplify right side
887,850.21x = 384,639,627,082.70 - Step 5: Solve for x
x = 384,639,627,082.70/887,850.21 - Step 6: Final answer
x = 433,225.81
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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.