Finding the Fourth Proportional to 727,877.21, 1,004,456.97 and 405,580.46
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Solution
The fourth proportional to 727,877.21, 1,004,456.97 and 405,580.46 is: 559,693.46
Step by Step Solution
- Step 1: Write the proportion equation
727,877.21 : 1,004,456.97 = 405,580.46 : x - Step 2: Convert to fraction form
727,877.21/1,004,456.97 = 405,580.46/x - Step 3: Cross multiply
727,877.21x = 1,004,456.97 × 405,580.46 - Step 4: Simplify right side
727,877.21x = 407,388,114,920.52 - Step 5: Solve for x
x = 407,388,114,920.52/727,877.21 - Step 6: Final answer
x = 559,693.46
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.