Finding the Fourth Proportional to 983,450.66, 1,474,422.68 and 309,141.86
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Solution
The fourth proportional to 983,450.66, 1,474,422.68 and 309,141.86 is: 463,475.99
Step by Step Solution
- Step 1: Write the proportion equation
983,450.66 : 1,474,422.68 = 309,141.86 : x - Step 2: Convert to fraction form
983,450.66/1,474,422.68 = 309,141.86/x - Step 3: Cross multiply
983,450.66x = 1,474,422.68 × 309,141.86 - Step 4: Simplify right side
983,450.66x = 455,805,763,122.13 - Step 5: Solve for x
x = 455,805,763,122.13/983,450.66 - Step 6: Final answer
x = 463,475.99
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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.