Finding the Fourth Proportional to 791,194.22, 1,186,941.09 and 317,916.62
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Solution
The fourth proportional to 791,194.22, 1,186,941.09 and 317,916.62 is: 476,935.11
Step by Step Solution
- Step 1: Write the proportion equation
791,194.22 : 1,186,941.09 = 317,916.62 : x - Step 2: Convert to fraction form
791,194.22/1,186,941.09 = 317,916.62/x - Step 3: Cross multiply
791,194.22x = 1,186,941.09 × 317,916.62 - Step 4: Simplify right side
791,194.22x = 377,348,299,471.92 - Step 5: Solve for x
x = 377,348,299,471.92/791,194.22 - Step 6: Final answer
x = 476,935.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.