Finding the Fourth Proportional to 1,207,480.96, 1,811,283.54 and 308,930.41
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Solution
The fourth proportional to 1,207,480.96, 1,811,283.54 and 308,930.41 is: 463,411.50
Step by Step Solution
- Step 1: Write the proportion equation
1,207,480.96 : 1,811,283.54 = 308,930.41 : x - Step 2: Convert to fraction form
1,207,480.96/1,811,283.54 = 308,930.41/x - Step 3: Cross multiply
1,207,480.96x = 1,811,283.54 × 308,930.41 - Step 4: Simplify right side
1,207,480.96x = 559,560,566,638.45 - Step 5: Solve for x
x = 559,560,566,638.45/1,207,480.96 - Step 6: Final answer
x = 463,411.50
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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.