Finding the Fourth Proportional to 800,353.97, 1,199,997.67 and 440,694.18
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Solution
The fourth proportional to 800,353.97, 1,199,997.67 and 440,694.18 is: 660,747.64
Step by Step Solution
- Step 1: Write the proportion equation
800,353.97 : 1,199,997.67 = 440,694.18 : x - Step 2: Convert to fraction form
800,353.97/1,199,997.67 = 440,694.18/x - Step 3: Cross multiply
800,353.97x = 1,199,997.67 × 440,694.18 - Step 4: Simplify right side
800,353.97x = 528,831,989,979.08 - Step 5: Solve for x
x = 528,831,989,979.08/800,353.97 - Step 6: Final answer
x = 660,747.64
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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.