Finding the Fourth Proportional to 622,785.87, 859,447.13 and 350,857.02
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Solution
The fourth proportional to 622,785.87, 859,447.13 and 350,857.02 is: 484,184.17
Step by Step Solution
- Step 1: Write the proportion equation
622,785.87 : 859,447.13 = 350,857.02 : x - Step 2: Convert to fraction form
622,785.87/859,447.13 = 350,857.02/x - Step 3: Cross multiply
622,785.87x = 859,447.13 × 350,857.02 - Step 4: Simplify right side
622,785.87x = 301,543,057,125.07 - Step 5: Solve for x
x = 301,543,057,125.07/622,785.87 - Step 6: Final answer
x = 484,184.17
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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.