Finding the Fourth Proportional to 608,213.19, 912,694.99 and 308,908.57
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Solution
The fourth proportional to 608,213.19, 912,694.99 and 308,908.57 is: 463,553.42
Step by Step Solution
- Step 1: Write the proportion equation
608,213.19 : 912,694.99 = 308,908.57 : x - Step 2: Convert to fraction form
608,213.19/912,694.99 = 308,908.57/x - Step 3: Cross multiply
608,213.19x = 912,694.99 × 308,908.57 - Step 4: Simplify right side
608,213.19x = 281,939,304,207.06 - Step 5: Solve for x
x = 281,939,304,207.06/608,213.19 - Step 6: Final answer
x = 463,553.42
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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.