Finding the Fourth Proportional to 833,129.43, 1,248,749.28 and 382,920.09
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Solution
The fourth proportional to 833,129.43, 1,248,749.28 and 382,920.09 is: 573,945.86
Step by Step Solution
- Step 1: Write the proportion equation
833,129.43 : 1,248,749.28 = 382,920.09 : x - Step 2: Convert to fraction form
833,129.43/1,248,749.28 = 382,920.09/x - Step 3: Cross multiply
833,129.43x = 1,248,749.28 × 382,920.09 - Step 4: Simplify right side
833,129.43x = 478,171,186,685.04 - Step 5: Solve for x
x = 478,171,186,685.04/833,129.43 - Step 6: Final answer
x = 573,945.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.