Finding the Fourth Proportional to 638,195.48, 880,715.58 and 351,725.96
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Solution
The fourth proportional to 638,195.48, 880,715.58 and 351,725.96 is: 485,385.03
Step by Step Solution
- Step 1: Write the proportion equation
638,195.48 : 880,715.58 = 351,725.96 : x - Step 2: Convert to fraction form
638,195.48/880,715.58 = 351,725.96/x - Step 3: Cross multiply
638,195.48x = 880,715.58 × 351,725.96 - Step 4: Simplify right side
638,195.48x = 309,770,532,862.46 - Step 5: Solve for x
x = 309,770,532,862.46/638,195.48 - Step 6: Final answer
x = 485,385.03
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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.