Finding the Fourth Proportional to 720,194.24, 1,080,602.40 and 404,177.60
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Solution
The fourth proportional to 720,194.24, 1,080,602.40 and 404,177.60 is: 606,440.96
Step by Step Solution
- Step 1: Write the proportion equation
720,194.24 : 1,080,602.40 = 404,177.60 : x - Step 2: Convert to fraction form
720,194.24/1,080,602.40 = 404,177.60/x - Step 3: Cross multiply
720,194.24x = 1,080,602.40 × 404,177.60 - Step 4: Simplify right side
720,194.24x = 436,755,284,586.24 - Step 5: Solve for x
x = 436,755,284,586.24/720,194.24 - Step 6: Final answer
x = 606,440.96
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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.