Finding the Fourth Proportional to 914,727.36, 1,372,236.48 and 283,510.56
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Solution
The fourth proportional to 914,727.36, 1,372,236.48 and 283,510.56 is: 425,310.92
Step by Step Solution
- Step 1: Write the proportion equation
914,727.36 : 1,372,236.48 = 283,510.56 : x - Step 2: Convert to fraction form
914,727.36/1,372,236.48 = 283,510.56/x - Step 3: Cross multiply
914,727.36x = 1,372,236.48 × 283,510.56 - Step 4: Simplify right side
914,727.36x = 389,043,532,897.23 - Step 5: Solve for x
x = 389,043,532,897.23/914,727.36 - Step 6: Final answer
x = 425,310.92
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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.