Finding the Fourth Proportional to 914,163.20, 1,371,244.80 and 441,771.20
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Solution
The fourth proportional to 914,163.20, 1,371,244.80 and 441,771.20 is: 662,656.80
Step by Step Solution
- Step 1: Write the proportion equation
914,163.20 : 1,371,244.80 = 441,771.20 : x - Step 2: Convert to fraction form
914,163.20/1,371,244.80 = 441,771.20/x - Step 3: Cross multiply
914,163.20x = 1,371,244.80 × 441,771.20 - Step 4: Simplify right side
914,163.20x = 605,776,460,789.76 - Step 5: Solve for x
x = 605,776,460,789.76/914,163.20 - Step 6: Final answer
x = 662,656.80
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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.