Finding the Fourth Proportional to 775,107.29, 1,069,707.96 and 465,021.48
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Solution
The fourth proportional to 775,107.29, 1,069,707.96 and 465,021.48 is: 641,765.58
Step by Step Solution
- Step 1: Write the proportion equation
775,107.29 : 1,069,707.96 = 465,021.48 : x - Step 2: Convert to fraction form
775,107.29/1,069,707.96 = 465,021.48/x - Step 3: Cross multiply
775,107.29x = 1,069,707.96 × 465,021.48 - Step 4: Simplify right side
775,107.29x = 497,437,178,726.98 - Step 5: Solve for x
x = 497,437,178,726.98/775,107.29 - Step 6: Final answer
x = 641,765.58
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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.