Finding the Fourth Proportional to 965,461.93, 1,448,222.74 and 485,709.26
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Solution
The fourth proportional to 965,461.93, 1,448,222.74 and 485,709.26 is: 728,578.90
Step by Step Solution
- Step 1: Write the proportion equation
965,461.93 : 1,448,222.74 = 485,709.26 : x - Step 2: Convert to fraction form
965,461.93/1,448,222.74 = 485,709.26/x - Step 3: Cross multiply
965,461.93x = 1,448,222.74 × 485,709.26 - Step 4: Simplify right side
965,461.93x = 703,415,186,905.19 - Step 5: Solve for x
x = 703,415,186,905.19/965,461.93 - Step 6: Final answer
x = 728,578.90
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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.