Finding the Fourth Proportional to 804,945.10, 1,205,668.05 and 488,850.70
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Solution
The fourth proportional to 804,945.10, 1,205,668.05 and 488,850.70 is: 732,213.50
Step by Step Solution
- Step 1: Write the proportion equation
804,945.10 : 1,205,668.05 = 488,850.70 : x - Step 2: Convert to fraction form
804,945.10/1,205,668.05 = 488,850.70/x - Step 3: Cross multiply
804,945.10x = 1,205,668.05 × 488,850.70 - Step 4: Simplify right side
804,945.10x = 589,391,670,210.14 - Step 5: Solve for x
x = 589,391,670,210.14/804,945.10 - Step 6: Final answer
x = 732,213.50
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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.