Finding the Fourth Proportional to 622,434.49, 858,951.14 and 350,505.68
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Solution
The fourth proportional to 622,434.49, 858,951.14 and 350,505.68 is: 483,693.07
Step by Step Solution
- Step 1: Write the proportion equation
622,434.49 : 858,951.14 = 350,505.68 : x - Step 2: Convert to fraction form
622,434.49/858,951.14 = 350,505.68/x - Step 3: Cross multiply
622,434.49x = 858,951.14 × 350,505.68 - Step 4: Simplify right side
622,434.49x = 301,067,247,365.19 - Step 5: Solve for x
x = 301,067,247,365.19/622,434.49 - Step 6: Final answer
x = 483,693.07
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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.