Finding the Fourth Proportional to 904,418.36, 1,248,111.98 and 496,557.80
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Solution
The fourth proportional to 904,418.36, 1,248,111.98 and 496,557.80 is: 685,257.80
Step by Step Solution
- Step 1: Write the proportion equation
904,418.36 : 1,248,111.98 = 496,557.80 : x - Step 2: Convert to fraction form
904,418.36/1,248,111.98 = 496,557.80/x - Step 3: Cross multiply
904,418.36x = 1,248,111.98 × 496,557.80 - Step 4: Simplify right side
904,418.36x = 619,759,738,942.44 - Step 5: Solve for x
x = 619,759,738,942.44/904,418.36 - Step 6: Final answer
x = 685,257.80
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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.