Finding the Fourth Proportional to 634,842.80, 876,082.58 and 362,916.68
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Solution
The fourth proportional to 634,842.80, 876,082.58 and 362,916.68 is: 500,824.75
Step by Step Solution
- Step 1: Write the proportion equation
634,842.80 : 876,082.58 = 362,916.68 : x - Step 2: Convert to fraction form
634,842.80/876,082.58 = 362,916.68/x - Step 3: Cross multiply
634,842.80x = 876,082.58 × 362,916.68 - Step 4: Simplify right side
634,842.80x = 317,944,981,339.43 - Step 5: Solve for x
x = 317,944,981,339.43/634,842.80 - Step 6: Final answer
x = 500,824.75
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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.