Finding the Fourth Proportional to 738,957.06, 1,019,772.09 and 432,960.21
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Solution
The fourth proportional to 738,957.06, 1,019,772.09 and 432,960.21 is: 597,491.74
Step by Step Solution
- Step 1: Write the proportion equation
738,957.06 : 1,019,772.09 = 432,960.21 : x - Step 2: Convert to fraction form
738,957.06/1,019,772.09 = 432,960.21/x - Step 3: Cross multiply
738,957.06x = 1,019,772.09 × 432,960.21 - Step 4: Simplify right side
738,957.06x = 441,520,738,238.54 - Step 5: Solve for x
x = 441,520,738,238.54/738,957.06 - Step 6: Final answer
x = 597,491.74
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.