Finding the Fourth Proportional to 901,991.97, 1,244,708.15 and 539,615.63
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Solution
The fourth proportional to 901,991.97, 1,244,708.15 and 539,615.63 is: 744,645.18
Step by Step Solution
- Step 1: Write the proportion equation
901,991.97 : 1,244,708.15 = 539,615.63 : x - Step 2: Convert to fraction form
901,991.97/1,244,708.15 = 539,615.63/x - Step 3: Cross multiply
901,991.97x = 1,244,708.15 × 539,615.63 - Step 4: Simplify right side
901,991.97x = 671,663,972,942.08 - Step 5: Solve for x
x = 671,663,972,942.08/901,991.97 - Step 6: Final answer
x = 744,645.18
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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.