Finding the Fourth Proportional to 983,570.99, 1,474,481.21 and 384,395.90
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Solution
The fourth proportional to 983,570.99, 1,474,481.21 and 384,395.90 is: 576,251.77
Step by Step Solution
- Step 1: Write the proportion equation
983,570.99 : 1,474,481.21 = 384,395.90 : x - Step 2: Convert to fraction form
983,570.99/1,474,481.21 = 384,395.90/x - Step 3: Cross multiply
983,570.99x = 1,474,481.21 × 384,395.90 - Step 4: Simplify right side
983,570.99x = 566,784,522,456.65 - Step 5: Solve for x
x = 566,784,522,456.65/983,570.99 - Step 6: Final answer
x = 576,251.77
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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.