Finding the Fourth Proportional to 691,028.73, 1,036,626.12 and 653,237.37
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Solution
The fourth proportional to 691,028.73, 1,036,626.12 and 653,237.37 is: 979,934.54
Step by Step Solution
- Step 1: Write the proportion equation
691,028.73 : 1,036,626.12 = 653,237.37 : x - Step 2: Convert to fraction form
691,028.73/1,036,626.12 = 653,237.37/x - Step 3: Cross multiply
691,028.73x = 1,036,626.12 × 653,237.37 - Step 4: Simplify right side
691,028.73x = 677,162,915,118.97 - Step 5: Solve for x
x = 677,162,915,118.97/691,028.73 - Step 6: Final answer
x = 979,934.54
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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.