Finding the Fourth Proportional to 855,761.26, 1,180,950.61 and 468,601.08
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Solution
The fourth proportional to 855,761.26, 1,180,950.61 and 468,601.08 is: 646,669.53
Step by Step Solution
- Step 1: Write the proportion equation
855,761.26 : 1,180,950.61 = 468,601.08 : x - Step 2: Convert to fraction form
855,761.26/1,180,950.61 = 468,601.08/x - Step 3: Cross multiply
855,761.26x = 1,180,950.61 × 468,601.08 - Step 4: Simplify right side
855,761.26x = 553,394,731,272.66 - Step 5: Solve for x
x = 553,394,731,272.66/855,761.26 - Step 6: Final answer
x = 646,669.53
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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.