Finding the Fourth Proportional to 615,981.92, 923,657.18 and 327,957.05
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Solution
The fourth proportional to 615,981.92, 923,657.18 and 327,957.05 is: 491,767.50
Step by Step Solution
- Step 1: Write the proportion equation
615,981.92 : 923,657.18 = 327,957.05 : x - Step 2: Convert to fraction form
615,981.92/923,657.18 = 327,957.05/x - Step 3: Cross multiply
615,981.92x = 923,657.18 × 327,957.05 - Step 4: Simplify right side
615,981.92x = 302,919,884,633.48 - Step 5: Solve for x
x = 302,919,884,633.48/615,981.92 - Step 6: Final answer
x = 491,767.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.