Finding the Fourth Proportional to 695,544.36, 959,458.93 and 405,121.69
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Solution
The fourth proportional to 695,544.36, 959,458.93 and 405,121.69 is: 558,839.44
Step by Step Solution
- Step 1: Write the proportion equation
695,544.36 : 959,458.93 = 405,121.69 : x - Step 2: Convert to fraction form
695,544.36/959,458.93 = 405,121.69/x - Step 3: Cross multiply
695,544.36x = 959,458.93 × 405,121.69 - Step 4: Simplify right side
695,544.36x = 388,697,623,207.19 - Step 5: Solve for x
x = 388,697,623,207.19/695,544.36 - Step 6: Final answer
x = 558,839.44
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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.