Finding the Fourth Proportional to 853,745.04, 1,178,185.05 and 466,584.44
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Solution
The fourth proportional to 853,745.04, 1,178,185.05 and 466,584.44 is: 643,895.75
Step by Step Solution
- Step 1: Write the proportion equation
853,745.04 : 1,178,185.05 = 466,584.44 : x - Step 2: Convert to fraction form
853,745.04/1,178,185.05 = 466,584.44/x - Step 3: Cross multiply
853,745.04x = 1,178,185.05 × 466,584.44 - Step 4: Simplify right side
853,745.04x = 549,722,805,879.70 - Step 5: Solve for x
x = 549,722,805,879.70/853,745.04 - Step 6: Final answer
x = 643,895.75
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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.