Finding the Fourth Proportional to 586,842.13, 809,852.42 and 328,716.84
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Solution
The fourth proportional to 586,842.13, 809,852.42 and 328,716.84 is: 453,635.00
Step by Step Solution
- Step 1: Write the proportion equation
586,842.13 : 809,852.42 = 328,716.84 : x - Step 2: Convert to fraction form
586,842.13/809,852.42 = 328,716.84/x - Step 3: Cross multiply
586,842.13x = 809,852.42 × 328,716.84 - Step 4: Simplify right side
586,842.13x = 266,212,128,368.75 - Step 5: Solve for x
x = 266,212,128,368.75/586,842.13 - Step 6: Final answer
x = 453,635.00
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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.