Finding the Fourth Proportional to 589,177.20, 882,858.60 and 438,711.60
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Solution
The fourth proportional to 589,177.20, 882,858.60 and 438,711.60 is: 657,391.88
Step by Step Solution
- Step 1: Write the proportion equation
589,177.20 : 882,858.60 = 438,711.60 : x - Step 2: Convert to fraction form
589,177.20/882,858.60 = 438,711.60/x - Step 3: Cross multiply
589,177.20x = 882,858.60 × 438,711.60 - Step 4: Simplify right side
589,177.20x = 387,320,308,979.76 - Step 5: Solve for x
x = 387,320,308,979.76/589,177.20 - Step 6: Final answer
x = 657,391.88
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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.