Finding the Fourth Proportional to 994,643.24, 1,491,963.48 and 461,872.92
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Solution
The fourth proportional to 994,643.24, 1,491,963.48 and 461,872.92 is: 692,808.74
Step by Step Solution
- Step 1: Write the proportion equation
994,643.24 : 1,491,963.48 = 461,872.92 : x - Step 2: Convert to fraction form
994,643.24/1,491,963.48 = 461,872.92/x - Step 3: Cross multiply
994,643.24x = 1,491,963.48 × 461,872.92 - Step 4: Simplify right side
994,643.24x = 689,097,529,040.96 - Step 5: Solve for x
x = 689,097,529,040.96/994,643.24 - Step 6: Final answer
x = 692,808.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.