Finding the Fourth Proportional to 862,732.23, 1,190,578.80 and 475,562.61
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Solution
The fourth proportional to 862,732.23, 1,190,578.80 and 475,562.61 is: 656,280.99
Step by Step Solution
- Step 1: Write the proportion equation
862,732.23 : 1,190,578.80 = 475,562.61 : x - Step 2: Convert to fraction form
862,732.23/1,190,578.80 = 475,562.61/x - Step 3: Cross multiply
862,732.23x = 1,190,578.80 × 475,562.61 - Step 4: Simplify right side
862,732.23x = 566,194,758,299.27 - Step 5: Solve for x
x = 566,194,758,299.27/862,732.23 - Step 6: Final answer
x = 656,280.99
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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.