Finding the Fourth Proportional to 692,055.36, 955,039.68 and 405,577.44
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Solution
The fourth proportional to 692,055.36, 955,039.68 and 405,577.44 is: 559,698.79
Step by Step Solution
- Step 1: Write the proportion equation
692,055.36 : 955,039.68 = 405,577.44 : x - Step 2: Convert to fraction form
692,055.36/955,039.68 = 405,577.44/x - Step 3: Cross multiply
692,055.36x = 955,039.68 × 405,577.44 - Step 4: Simplify right side
692,055.36x = 387,342,548,512.82 - Step 5: Solve for x
x = 387,342,548,512.82/692,055.36 - Step 6: Final answer
x = 559,698.79
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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.