Finding the Fourth Proportional to 880,861.70, 1,235,694.70 and 880,861.70
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Solution
The fourth proportional to 880,861.70, 1,235,694.70 and 880,861.70 is: 1,235,694.70
Step by Step Solution
- Step 1: Write the proportion equation
880,861.70 : 1,235,694.70 = 880,861.70 : x - Step 2: Convert to fraction form
880,861.70/1,235,694.70 = 880,861.70/x - Step 3: Cross multiply
880,861.70x = 1,235,694.70 × 880,861.70 - Step 4: Simplify right side
880,861.70x = 1,088,476,134,122.99 - Step 5: Solve for x
x = 1,088,476,134,122.99/880,861.70 - Step 6: Final answer
x = 1,235,694.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.