Finding the Fourth Proportional to 840,840.26, 1,260,510.41 and 308,236.95
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Solution
The fourth proportional to 840,840.26, 1,260,510.41 and 308,236.95 is: 462,080.50
Step by Step Solution
- Step 1: Write the proportion equation
840,840.26 : 1,260,510.41 = 308,236.95 : x - Step 2: Convert to fraction form
840,840.26/1,260,510.41 = 308,236.95/x - Step 3: Cross multiply
840,840.26x = 1,260,510.41 × 308,236.95 - Step 4: Simplify right side
840,840.26x = 388,535,882,680.47 - Step 5: Solve for x
x = 388,535,882,680.47/840,840.26 - Step 6: Final answer
x = 462,080.50
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1.5x scale
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.