Finding the Fourth Proportional to 646,995.08, 892,841.25 and 352,647.33
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Solution
The fourth proportional to 646,995.08, 892,841.25 and 352,647.33 is: 486,646.80
Step by Step Solution
- Step 1: Write the proportion equation
646,995.08 : 892,841.25 = 352,647.33 : x - Step 2: Convert to fraction form
646,995.08/892,841.25 = 352,647.33/x - Step 3: Cross multiply
646,995.08x = 892,841.25 × 352,647.33 - Step 4: Simplify right side
646,995.08x = 314,858,081,163.13 - Step 5: Solve for x
x = 314,858,081,163.13/646,995.08 - Step 6: Final answer
x = 486,646.80
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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.