Finding the Fourth Proportional to 800,808.66, 1,105,115.97 and 438,232.53
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Solution
The fourth proportional to 800,808.66, 1,105,115.97 and 438,232.53 is: 604,760.90
Step by Step Solution
- Step 1: Write the proportion equation
800,808.66 : 1,105,115.97 = 438,232.53 : x - Step 2: Convert to fraction form
800,808.66/1,105,115.97 = 438,232.53/x - Step 3: Cross multiply
800,808.66x = 1,105,115.97 × 438,232.53 - Step 4: Simplify right side
800,808.66x = 484,297,767,476.50 - Step 5: Solve for x
x = 484,297,767,476.50/800,808.66 - Step 6: Final answer
x = 604,760.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.