Finding the Fourth Proportional to 647,926.63, 894,316.58 and 376,082.10
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Solution
The fourth proportional to 647,926.63, 894,316.58 and 376,082.10 is: 519,096.52
Step by Step Solution
- Step 1: Write the proportion equation
647,926.63 : 894,316.58 = 376,082.10 : x - Step 2: Convert to fraction form
647,926.63/894,316.58 = 376,082.10/x - Step 3: Cross multiply
647,926.63x = 894,316.58 × 376,082.10 - Step 4: Simplify right side
647,926.63x = 336,336,457,471.22 - Step 5: Solve for x
x = 336,336,457,471.22/647,926.63 - Step 6: Final answer
x = 519,096.52
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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.