Finding the Fourth Proportional to 853,283.20, 1,279,579.20 and 292,028.80
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Solution
The fourth proportional to 853,283.20, 1,279,579.20 and 292,028.80 is: 437,924.92
Step by Step Solution
- Step 1: Write the proportion equation
853,283.20 : 1,279,579.20 = 292,028.80 : x - Step 2: Convert to fraction form
853,283.20/1,279,579.20 = 292,028.80/x - Step 3: Cross multiply
853,283.20x = 1,279,579.20 × 292,028.80 - Step 4: Simplify right side
853,283.20x = 373,673,978,280.96 - Step 5: Solve for x
x = 373,673,978,280.96/853,283.20 - Step 6: Final answer
x = 437,924.92
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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.