Finding the Fourth Proportional to 481,428.65, 721,873.10 and 329,797.19
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Solution
The fourth proportional to 481,428.65, 721,873.10 and 329,797.19 is: 494,510.90
Step by Step Solution
- Step 1: Write the proportion equation
481,428.65 : 721,873.10 = 329,797.19 : x - Step 2: Convert to fraction form
481,428.65/721,873.10 = 329,797.19/x - Step 3: Cross multiply
481,428.65x = 721,873.10 × 329,797.19 - Step 4: Simplify right side
481,428.65x = 238,071,714,658.24 - Step 5: Solve for x
x = 238,071,714,658.24/481,428.65 - Step 6: Final answer
x = 494,510.90
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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.