Finding the Fourth Proportional to 755,818.87, 1,133,721.24 and 306,432.92
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Solution
The fourth proportional to 755,818.87, 1,133,721.24 and 306,432.92 is: 459,646.52
Step by Step Solution
- Step 1: Write the proportion equation
755,818.87 : 1,133,721.24 = 306,432.92 : x - Step 2: Convert to fraction form
755,818.87/1,133,721.24 = 306,432.92/x - Step 3: Cross multiply
755,818.87x = 1,133,721.24 × 306,432.92 - Step 4: Simplify right side
755,818.87x = 347,409,510,039.22 - Step 5: Solve for x
x = 347,409,510,039.22/755,818.87 - Step 6: Final answer
x = 459,646.52
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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.