Finding the Fourth Proportional to 992,855.68, 1,489,905.60 and 401,879.68
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Solution
The fourth proportional to 992,855.68, 1,489,905.60 and 401,879.68 is: 603,071.32
Step by Step Solution
- Step 1: Write the proportion equation
992,855.68 : 1,489,905.60 = 401,879.68 : x - Step 2: Convert to fraction form
992,855.68/1,489,905.60 = 401,879.68/x - Step 3: Cross multiply
992,855.68x = 1,489,905.60 × 401,879.68 - Step 4: Simplify right side
992,855.68x = 598,762,785,758.21 - Step 5: Solve for x
x = 598,762,785,758.21/992,855.68 - Step 6: Final answer
x = 603,071.32
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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.