Finding the Fourth Proportional to 863,999.48, 1,192,347.92 and 471,553.88
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Solution
The fourth proportional to 863,999.48, 1,192,347.92 and 471,553.88 is: 650,759.98
Step by Step Solution
- Step 1: Write the proportion equation
863,999.48 : 1,192,347.92 = 471,553.88 : x - Step 2: Convert to fraction form
863,999.48/1,192,347.92 = 471,553.88/x - Step 3: Cross multiply
863,999.48x = 1,192,347.92 × 471,553.88 - Step 4: Simplify right side
863,999.48x = 562,256,283,203.08 - Step 5: Solve for x
x = 562,256,283,203.08/863,999.48 - Step 6: Final answer
x = 650,759.98
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1.5x scale
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.