Finding the Fourth Proportional to 853,368.24, 1,177,736.04 and 490,805.76
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Solution
The fourth proportional to 853,368.24, 1,177,736.04 and 490,805.76 is: 677,362.49
Step by Step Solution
- Step 1: Write the proportion equation
853,368.24 : 1,177,736.04 = 490,805.76 : x - Step 2: Convert to fraction form
853,368.24/1,177,736.04 = 490,805.76/x - Step 3: Cross multiply
853,368.24x = 1,177,736.04 × 490,805.76 - Step 4: Simplify right side
853,368.24x = 578,039,632,191.59 - Step 5: Solve for x
x = 578,039,632,191.59/853,368.24 - Step 6: Final answer
x = 677,362.49
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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.