Finding the Fourth Proportional to 845,520.75, 1,167,431.01 and 544,239.63
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Solution
The fourth proportional to 845,520.75, 1,167,431.01 and 544,239.63 is: 751,444.86
Step by Step Solution
- Step 1: Write the proportion equation
845,520.75 : 1,167,431.01 = 544,239.63 : x - Step 2: Convert to fraction form
845,520.75/1,167,431.01 = 544,239.63/x - Step 3: Cross multiply
845,520.75x = 1,167,431.01 × 544,239.63 - Step 4: Simplify right side
845,520.75x = 635,362,220,932.93 - Step 5: Solve for x
x = 635,362,220,932.93/845,520.75 - Step 6: Final answer
x = 751,444.86
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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.