Finding the Fourth Proportional to 652,072.96, 899,961.60 and 365,708.80
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Solution
The fourth proportional to 652,072.96, 899,961.60 and 365,708.80 is: 504,734.74
Step by Step Solution
- Step 1: Write the proportion equation
652,072.96 : 899,961.60 = 365,708.80 : x - Step 2: Convert to fraction form
652,072.96/899,961.60 = 365,708.80/x - Step 3: Cross multiply
652,072.96x = 899,961.60 × 365,708.80 - Step 4: Simplify right side
652,072.96x = 329,123,876,782.08 - Step 5: Solve for x
x = 329,123,876,782.08/652,072.96 - Step 6: Final answer
x = 504,734.74
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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.