Finding the Fourth Proportional to 756,687.58, 1,044,236.94 and 417,167.98
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Solution
The fourth proportional to 756,687.58, 1,044,236.94 and 417,167.98 is: 575,696.27
Step by Step Solution
- Step 1: Write the proportion equation
756,687.58 : 1,044,236.94 = 417,167.98 : x - Step 2: Convert to fraction form
756,687.58/1,044,236.94 = 417,167.98/x - Step 3: Cross multiply
756,687.58x = 1,044,236.94 × 417,167.98 - Step 4: Simplify right side
756,687.58x = 435,622,214,901.18 - Step 5: Solve for x
x = 435,622,214,901.18/756,687.58 - Step 6: Final answer
x = 575,696.27
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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.