Finding the Fourth Proportional to 684,176.21, 944,313.05 and 397,861.46
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Solution
The fourth proportional to 684,176.21, 944,313.05 and 397,861.46 is: 549,135.97
Step by Step Solution
- Step 1: Write the proportion equation
684,176.21 : 944,313.05 = 397,861.46 : x - Step 2: Convert to fraction form
684,176.21/944,313.05 = 397,861.46/x - Step 3: Cross multiply
684,176.21x = 944,313.05 × 397,861.46 - Step 4: Simplify right side
684,176.21x = 375,705,768,770.05 - Step 5: Solve for x
x = 375,705,768,770.05/684,176.21 - Step 6: Final answer
x = 549,135.97
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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.