Finding the Fourth Proportional to 859,546.66, 1,289,319.99 and 298,581.70
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Solution
The fourth proportional to 859,546.66, 1,289,319.99 and 298,581.70 is: 447,872.55
Step by Step Solution
- Step 1: Write the proportion equation
859,546.66 : 1,289,319.99 = 298,581.70 : x - Step 2: Convert to fraction form
859,546.66/1,289,319.99 = 298,581.70/x - Step 3: Cross multiply
859,546.66x = 1,289,319.99 × 298,581.70 - Step 4: Simplify right side
859,546.66x = 384,967,354,458.18 - Step 5: Solve for x
x = 384,967,354,458.18/859,546.66 - Step 6: Final answer
x = 447,872.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.