Finding the Fourth Proportional to 853,743.41, 1,178,166.32 and 471,770.19
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Solution
The fourth proportional to 853,743.41, 1,178,166.32 and 471,770.19 is: 651,043.09
Step by Step Solution
- Step 1: Write the proportion equation
853,743.41 : 1,178,166.32 = 471,770.19 : x - Step 2: Convert to fraction form
853,743.41/1,178,166.32 = 471,770.19/x - Step 3: Cross multiply
853,743.41x = 1,178,166.32 × 471,770.19 - Step 4: Simplify right side
853,743.41x = 555,823,745,692.59 - Step 5: Solve for x
x = 555,823,745,692.59/853,743.41 - Step 6: Final answer
x = 651,043.09
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1.5x scale
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.