Finding the Fourth Proportional to 784,031.19, 1,175,906.49 and 207,658.41
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Solution
The fourth proportional to 784,031.19, 1,175,906.49 and 207,658.41 is: 311,450.46
Step by Step Solution
- Step 1: Write the proportion equation
784,031.19 : 1,175,906.49 = 207,658.41 : x - Step 2: Convert to fraction form
784,031.19/1,175,906.49 = 207,658.41/x - Step 3: Cross multiply
784,031.19x = 1,175,906.49 × 207,658.41 - Step 4: Simplify right side
784,031.19x = 244,186,872,022.08 - Step 5: Solve for x
x = 244,186,872,022.08/784,031.19 - Step 6: Final answer
x = 311,450.46
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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.