Finding the Fourth Proportional to 798,717.42, 1,102,274.87 and 436,174.99
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Solution
The fourth proportional to 798,717.42, 1,102,274.87 and 436,174.99 is: 601,945.96
Step by Step Solution
- Step 1: Write the proportion equation
798,717.42 : 1,102,274.87 = 436,174.99 : x - Step 2: Convert to fraction form
798,717.42/1,102,274.87 = 436,174.99/x - Step 3: Cross multiply
798,717.42x = 1,102,274.87 × 436,174.99 - Step 4: Simplify right side
798,717.42x = 480,784,725,462.94 - Step 5: Solve for x
x = 480,784,725,462.94/798,717.42 - Step 6: Final answer
x = 601,945.96
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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.