Finding the Fourth Proportional to 853,764.86, 1,178,195.91 and 471,791.63
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Solution
The fourth proportional to 853,764.86, 1,178,195.91 and 471,791.63 is: 651,072.67
Step by Step Solution
- Step 1: Write the proportion equation
853,764.86 : 1,178,195.91 = 471,791.63 : x - Step 2: Convert to fraction form
853,764.86/1,178,195.91 = 471,791.63/x - Step 3: Cross multiply
853,764.86x = 1,178,195.91 × 471,791.63 - Step 4: Simplify right side
853,764.86x = 555,862,968,838.23 - Step 5: Solve for x
x = 555,862,968,838.23/853,764.86 - Step 6: Final answer
x = 651,072.67
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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.