Finding the Fourth Proportional to 992,512.13, 1,369,663.85 and 551,054.09
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Solution
The fourth proportional to 992,512.13, 1,369,663.85 and 551,054.09 is: 760,453.05
Step by Step Solution
- Step 1: Write the proportion equation
992,512.13 : 1,369,663.85 = 551,054.09 : x - Step 2: Convert to fraction form
992,512.13/1,369,663.85 = 551,054.09/x - Step 3: Cross multiply
992,512.13x = 1,369,663.85 × 551,054.09 - Step 4: Simplify right side
992,512.13x = 754,758,871,269.44 - Step 5: Solve for x
x = 754,758,871,269.44/992,512.13 - Step 6: Final answer
x = 760,453.05
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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.