Finding the Fourth Proportional to 756,791.96, 1,044,379.95 and 417,272.28
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Solution
The fourth proportional to 756,791.96, 1,044,379.95 and 417,272.28 is: 575,839.63
Step by Step Solution
- Step 1: Write the proportion equation
756,791.96 : 1,044,379.95 = 417,272.28 : x - Step 2: Convert to fraction form
756,791.96/1,044,379.95 = 417,272.28/x - Step 3: Cross multiply
756,791.96x = 1,044,379.95 × 417,272.28 - Step 4: Simplify right side
756,791.96x = 435,790,797,700.89 - Step 5: Solve for x
x = 435,790,797,700.89/756,791.96 - Step 6: Final answer
x = 575,839.63
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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.