Finding the Fourth Proportional to 1,207,474.67, 1,811,193.49 and 308,908.80
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Solution
The fourth proportional to 1,207,474.67, 1,811,193.49 and 308,908.80 is: 463,358.46
Step by Step Solution
- Step 1: Write the proportion equation
1,207,474.67 : 1,811,193.49 = 308,908.80 : x - Step 2: Convert to fraction form
1,207,474.67/1,811,193.49 = 308,908.80/x - Step 3: Cross multiply
1,207,474.67x = 1,811,193.49 × 308,908.80 - Step 4: Simplify right side
1,207,474.67x = 559,493,607,563.71 - Step 5: Solve for x
x = 559,493,607,563.71/1,207,474.67 - Step 6: Final answer
x = 463,358.46
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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.