Finding the Fourth Proportional to 852,997.23, 1,278,391.41 and 346,970.79
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Solution
The fourth proportional to 852,997.23, 1,278,391.41 and 346,970.79 is: 520,006.94
Step by Step Solution
- Step 1: Write the proportion equation
852,997.23 : 1,278,391.41 = 346,970.79 : x - Step 2: Convert to fraction form
852,997.23/1,278,391.41 = 346,970.79/x - Step 3: Cross multiply
852,997.23x = 1,278,391.41 × 346,970.79 - Step 4: Simplify right side
852,997.23x = 443,564,477,456.91 - Step 5: Solve for x
x = 443,564,477,456.91/852,997.23 - Step 6: Final answer
x = 520,006.94
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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.