Finding the Fourth Proportional to 940,198.26, 1,298,541.87 and 633,746.10
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Solution
The fourth proportional to 940,198.26, 1,298,541.87 and 633,746.10 is: 875,289.69
Step by Step Solution
- Step 1: Write the proportion equation
940,198.26 : 1,298,541.87 = 633,746.10 : x - Step 2: Convert to fraction form
940,198.26/1,298,541.87 = 633,746.10/x - Step 3: Cross multiply
940,198.26x = 1,298,541.87 × 633,746.10 - Step 4: Simplify right side
940,198.26x = 822,945,845,799.21 - Step 5: Solve for x
x = 822,945,845,799.21/940,198.26 - Step 6: Final answer
x = 875,289.69
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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.