Finding the Fourth Proportional to 777,452.70, 1,166,697.45 and 440,492.70
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Solution
The fourth proportional to 777,452.70, 1,166,697.45 and 440,492.70 is: 661,032.77
Step by Step Solution
- Step 1: Write the proportion equation
777,452.70 : 1,166,697.45 = 440,492.70 : x - Step 2: Convert to fraction form
777,452.70/1,166,697.45 = 440,492.70/x - Step 3: Cross multiply
777,452.70x = 1,166,697.45 × 440,492.70 - Step 4: Simplify right side
777,452.70x = 513,921,709,833.62 - Step 5: Solve for x
x = 513,921,709,833.62/777,452.70 - Step 6: Final answer
x = 661,032.77
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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.