Finding the Fourth Proportional to 606,446.80, 908,576.70 and 290,206.60
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Solution
The fourth proportional to 606,446.80, 908,576.70 and 290,206.60 is: 434,786.62
Step by Step Solution
- Step 1: Write the proportion equation
606,446.80 : 908,576.70 = 290,206.60 : x - Step 2: Convert to fraction form
606,446.80/908,576.70 = 290,206.60/x - Step 3: Cross multiply
606,446.80x = 908,576.70 × 290,206.60 - Step 4: Simplify right side
606,446.80x = 263,674,954,946.22 - Step 5: Solve for x
x = 263,674,954,946.22/606,446.80 - Step 6: Final answer
x = 434,786.62
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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.