Finding the Fourth Proportional to 531,205.14, 733,036.98 and 289,486.98
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Solution
The fourth proportional to 531,205.14, 733,036.98 and 289,486.98 is: 399,477.80
Step by Step Solution
- Step 1: Write the proportion equation
531,205.14 : 733,036.98 = 289,486.98 : x - Step 2: Convert to fraction form
531,205.14/733,036.98 = 289,486.98/x - Step 3: Cross multiply
531,205.14x = 733,036.98 × 289,486.98 - Step 4: Simplify right side
531,205.14x = 212,204,661,568.52 - Step 5: Solve for x
x = 212,204,661,568.52/531,205.14 - Step 6: Final answer
x = 399,477.80
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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.