Finding the Fourth Proportional to 850,655.26, 1,173,893.42 and 463,486.80
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Solution
The fourth proportional to 850,655.26, 1,173,893.42 and 463,486.80 is: 639,605.88
Step by Step Solution
- Step 1: Write the proportion equation
850,655.26 : 1,173,893.42 = 463,486.80 : x - Step 2: Convert to fraction form
850,655.26/1,173,893.42 = 463,486.80/x - Step 3: Cross multiply
850,655.26x = 1,173,893.42 × 463,486.80 - Step 4: Simplify right side
850,655.26x = 544,084,105,935.57 - Step 5: Solve for x
x = 544,084,105,935.57/850,655.26 - Step 6: Final answer
x = 639,605.88
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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.