Finding the Fourth Proportional to 727,935, 1,004,432.10 and 421,951.68
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Solution
The fourth proportional to 727,935, 1,004,432.10 and 421,951.68 is: 582,224.80
Step by Step Solution
- Step 1: Write the proportion equation
727,935 : 1,004,432.10 = 421,951.68 : x - Step 2: Convert to fraction form
727,935/1,004,432.10 = 421,951.68/x - Step 3: Cross multiply
727,935x = 1,004,432.10 × 421,951.68 - Step 4: Simplify right side
727,935x = 423,821,812,040.93 - Step 5: Solve for x
x = 423,821,812,040.93/727,935 - Step 6: Final answer
x = 582,224.80
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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.