Finding the Fourth Proportional to 777,028.02, 1,072,348.20 and 471,133.68
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Solution
The fourth proportional to 777,028.02, 1,072,348.20 and 471,133.68 is: 650,194.51
Step by Step Solution
- Step 1: Write the proportion equation
777,028.02 : 1,072,348.20 = 471,133.68 : x - Step 2: Convert to fraction form
777,028.02/1,072,348.20 = 471,133.68/x - Step 3: Cross multiply
777,028.02x = 1,072,348.20 × 471,133.68 - Step 4: Simplify right side
777,028.02x = 505,219,353,707.38 - Step 5: Solve for x
x = 505,219,353,707.38/777,028.02 - Step 6: Final answer
x = 650,194.51
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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.