Finding the Fourth Proportional to 791,193.72, 1,186,940.34 and 317,916.12
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Solution
The fourth proportional to 791,193.72, 1,186,940.34 and 317,916.12 is: 476,934.36
Step by Step Solution
- Step 1: Write the proportion equation
791,193.72 : 1,186,940.34 = 317,916.12 : x - Step 2: Convert to fraction form
791,193.72/1,186,940.34 = 317,916.12/x - Step 3: Cross multiply
791,193.72x = 1,186,940.34 × 317,916.12 - Step 4: Simplify right side
791,193.72x = 377,347,467,564.28 - Step 5: Solve for x
x = 377,347,467,564.28/791,193.72 - Step 6: Final answer
x = 476,934.36
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.