Finding the Fourth Proportional to 733,872.18, 1,012,645.74 and 407,179.98
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Solution
The fourth proportional to 733,872.18, 1,012,645.74 and 407,179.98 is: 561,854.07
Step by Step Solution
- Step 1: Write the proportion equation
733,872.18 : 1,012,645.74 = 407,179.98 : x - Step 2: Convert to fraction form
733,872.18/1,012,645.74 = 407,179.98/x - Step 3: Cross multiply
733,872.18x = 1,012,645.74 × 407,179.98 - Step 4: Simplify right side
733,872.18x = 412,329,072,160.29 - Step 5: Solve for x
x = 412,329,072,160.29/733,872.18 - Step 6: Final answer
x = 561,854.07
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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.