Finding the Fourth Proportional to 757,470.06, 1,045,330.56 and 417,960.18
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Solution
The fourth proportional to 757,470.06, 1,045,330.56 and 417,960.18 is: 576,797.12
Step by Step Solution
- Step 1: Write the proportion equation
757,470.06 : 1,045,330.56 = 417,960.18 : x - Step 2: Convert to fraction form
757,470.06/1,045,330.56 = 417,960.18/x - Step 3: Cross multiply
757,470.06x = 1,045,330.56 × 417,960.18 - Step 4: Simplify right side
757,470.06x = 436,906,550,585.53 - Step 5: Solve for x
x = 436,906,550,585.53/757,470.06 - Step 6: Final answer
x = 576,797.12
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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.