Finding the Fourth Proportional to 840,836.28, 1,260,643.43 and 335,245.62
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Solution
The fourth proportional to 840,836.28, 1,260,643.43 and 335,245.62 is: 502,624.82
Step by Step Solution
- Step 1: Write the proportion equation
840,836.28 : 1,260,643.43 = 335,245.62 : x - Step 2: Convert to fraction form
840,836.28/1,260,643.43 = 335,245.62/x - Step 3: Cross multiply
840,836.28x = 1,260,643.43 × 335,245.62 - Step 4: Simplify right side
840,836.28x = 422,625,186,613.05 - Step 5: Solve for x
x = 422,625,186,613.05/840,836.28 - Step 6: Final answer
x = 502,624.82
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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.