Finding the Fourth Proportional to 853,580.91, 1,177,988.90 and 471,599.49
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Solution
The fourth proportional to 853,580.91, 1,177,988.90 and 471,599.49 is: 650,833.40
Step by Step Solution
- Step 1: Write the proportion equation
853,580.91 : 1,177,988.90 = 471,599.49 : x - Step 2: Convert to fraction form
853,580.91/1,177,988.90 = 471,599.49/x - Step 3: Cross multiply
853,580.91x = 1,177,988.90 × 471,599.49 - Step 4: Simplify right side
853,580.91x = 555,538,962,107.66 - Step 5: Solve for x
x = 555,538,962,107.66/853,580.91 - Step 6: Final answer
x = 650,833.40
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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.