Finding the Fourth Proportional to 497,451.62, 686,476.67 and 276,687.42
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Solution
The fourth proportional to 497,451.62, 686,476.67 and 276,687.42 is: 381,824.99
Step by Step Solution
- Step 1: Write the proportion equation
497,451.62 : 686,476.67 = 276,687.42 : x - Step 2: Convert to fraction form
497,451.62/686,476.67 = 276,687.42/x - Step 3: Cross multiply
497,451.62x = 686,476.67 × 276,687.42 - Step 4: Simplify right side
497,451.62x = 189,939,457,329.05 - Step 5: Solve for x
x = 189,939,457,329.05/497,451.62 - Step 6: Final answer
x = 381,824.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.