Finding the Fourth Proportional to 777,184.79, 1,165,934.34 and 327,906.77
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Solution
The fourth proportional to 777,184.79, 1,165,934.34 and 327,906.77 is: 491,926.46
Step by Step Solution
- Step 1: Write the proportion equation
777,184.79 : 1,165,934.34 = 327,906.77 : x - Step 2: Convert to fraction form
777,184.79/1,165,934.34 = 327,906.77/x - Step 3: Cross multiply
777,184.79x = 1,165,934.34 × 327,906.77 - Step 4: Simplify right side
777,184.79x = 382,317,763,461.48 - Step 5: Solve for x
x = 382,317,763,461.48/777,184.79 - Step 6: Final answer
x = 491,926.46
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1.5x scale
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.