Finding the Fourth Proportional to 694,146.08, 1,040,030.84 and 378,824.44
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Solution
The fourth proportional to 694,146.08, 1,040,030.84 and 378,824.44 is: 567,588.17
Step by Step Solution
- Step 1: Write the proportion equation
694,146.08 : 1,040,030.84 = 378,824.44 : x - Step 2: Convert to fraction form
694,146.08/1,040,030.84 = 378,824.44/x - Step 3: Cross multiply
694,146.08x = 1,040,030.84 × 378,824.44 - Step 4: Simplify right side
694,146.08x = 393,989,100,545.73 - Step 5: Solve for x
x = 393,989,100,545.73/694,146.08 - Step 6: Final answer
x = 567,588.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.