Finding the Fourth Proportional to 815,758.02, 1,125,849.87 and 493,470.42
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Solution
The fourth proportional to 815,758.02, 1,125,849.87 and 493,470.42 is: 681,051.97
Step by Step Solution
- Step 1: Write the proportion equation
815,758.02 : 1,125,849.87 = 493,470.42 : x - Step 2: Convert to fraction form
815,758.02/1,125,849.87 = 493,470.42/x - Step 3: Cross multiply
815,758.02x = 1,125,849.87 × 493,470.42 - Step 4: Simplify right side
815,758.02x = 555,573,605,738.49 - Step 5: Solve for x
x = 555,573,605,738.49/815,758.02 - Step 6: Final answer
x = 681,051.97
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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.