Finding the Fourth Proportional to 852,143.20, 1,176,383.74 and 529,957.08
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Solution
The fourth proportional to 852,143.20, 1,176,383.74 and 529,957.08 is: 731,605.78
Step by Step Solution
- Step 1: Write the proportion equation
852,143.20 : 1,176,383.74 = 529,957.08 : x - Step 2: Convert to fraction form
852,143.20/1,176,383.74 = 529,957.08/x - Step 3: Cross multiply
852,143.20x = 1,176,383.74 × 529,957.08 - Step 4: Simplify right side
852,143.20x = 623,432,891,809.88 - Step 5: Solve for x
x = 623,432,891,809.88/852,143.20 - Step 6: Final answer
x = 731,605.78
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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.