Finding the Fourth Proportional to 684,176.67, 944,313.68 and 397,861.92
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Solution
The fourth proportional to 684,176.67, 944,313.68 and 397,861.92 is: 549,136.61
Step by Step Solution
- Step 1: Write the proportion equation
684,176.67 : 944,313.68 = 397,861.92 : x - Step 2: Convert to fraction form
684,176.67/944,313.68 = 397,861.92/x - Step 3: Cross multiply
684,176.67x = 944,313.68 × 397,861.92 - Step 4: Simplify right side
684,176.67x = 375,706,454,801.72 - Step 5: Solve for x
x = 375,706,454,801.72/684,176.67 - Step 6: Final answer
x = 549,136.61
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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.