Finding the Fourth Proportional to 805,498.92, 1,207,450.16 and 378,269.96
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Solution
The fourth proportional to 805,498.92, 1,207,450.16 and 378,269.96 is: 567,030.09
Step by Step Solution
- Step 1: Write the proportion equation
805,498.92 : 1,207,450.16 = 378,269.96 : x - Step 2: Convert to fraction form
805,498.92/1,207,450.16 = 378,269.96/x - Step 3: Cross multiply
805,498.92x = 1,207,450.16 × 378,269.96 - Step 4: Simplify right side
805,498.92x = 456,742,123,725.19 - Step 5: Solve for x
x = 456,742,123,725.19/805,498.92 - Step 6: Final answer
x = 567,030.09
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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.