Finding the Fourth Proportional to 727,863.17, 1,004,437.58 and 405,566.37
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Solution
The fourth proportional to 727,863.17, 1,004,437.58 and 405,566.37 is: 559,674.02
Step by Step Solution
- Step 1: Write the proportion equation
727,863.17 : 1,004,437.58 = 405,566.37 : x - Step 2: Convert to fraction form
727,863.17/1,004,437.58 = 405,566.37/x - Step 3: Cross multiply
727,863.17x = 1,004,437.58 × 405,566.37 - Step 4: Simplify right side
727,863.17x = 407,366,101,184.35 - Step 5: Solve for x
x = 407,366,101,184.35/727,863.17 - Step 6: Final answer
x = 559,674.02
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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.