Finding the Fourth Proportional to 755,611.28, 1,042,787.24 and 433,318.80
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Solution
The fourth proportional to 755,611.28, 1,042,787.24 and 433,318.80 is: 598,004.99
Step by Step Solution
- Step 1: Write the proportion equation
755,611.28 : 1,042,787.24 = 433,318.80 : x - Step 2: Convert to fraction form
755,611.28/1,042,787.24 = 433,318.80/x - Step 3: Cross multiply
755,611.28x = 1,042,787.24 × 433,318.80 - Step 4: Simplify right side
755,611.28x = 451,859,315,492.11 - Step 5: Solve for x
x = 451,859,315,492.11/755,611.28 - Step 6: Final answer
x = 598,004.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.