Finding the Fourth Proportional to 855,396.68, 1,283,081.58 and 294,436.04
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Solution
The fourth proportional to 855,396.68, 1,283,081.58 and 294,436.04 is: 441,649.43
Step by Step Solution
- Step 1: Write the proportion equation
855,396.68 : 1,283,081.58 = 294,436.04 : x - Step 2: Convert to fraction form
855,396.68/1,283,081.58 = 294,436.04/x - Step 3: Cross multiply
855,396.68x = 1,283,081.58 × 294,436.04 - Step 4: Simplify right side
855,396.68x = 377,785,459,412.14 - Step 5: Solve for x
x = 377,785,459,412.14/855,396.68 - Step 6: Final answer
x = 441,649.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.