Finding the Fourth Proportional to 853,557.92, 1,177,809.54 and 471,561.92
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Solution
The fourth proportional to 853,557.92, 1,177,809.54 and 471,561.92 is: 650,699.99
Step by Step Solution
- Step 1: Write the proportion equation
853,557.92 : 1,177,809.54 = 471,561.92 : x - Step 2: Convert to fraction form
853,557.92/1,177,809.54 = 471,561.92/x - Step 3: Cross multiply
853,557.92x = 1,177,809.54 × 471,561.92 - Step 4: Simplify right side
853,557.92x = 555,410,128,076.72 - Step 5: Solve for x
x = 555,410,128,076.72/853,557.92 - Step 6: Final answer
x = 650,699.99
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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.