Finding the Fourth Proportional to 998,361.16, 1,378,874.94 and 671,105.98
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Solution
The fourth proportional to 998,361.16, 1,378,874.94 and 671,105.98 is: 926,890.24
Step by Step Solution
- Step 1: Write the proportion equation
998,361.16 : 1,378,874.94 = 671,105.98 : x - Step 2: Convert to fraction form
998,361.16/1,378,874.94 = 671,105.98/x - Step 3: Cross multiply
998,361.16x = 1,378,874.94 × 671,105.98 - Step 4: Simplify right side
998,361.16x = 925,371,217,906.14 - Step 5: Solve for x
x = 925,371,217,906.14/998,361.16 - Step 6: Final answer
x = 926,890.24
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.