Finding the Fourth Proportional to 850,338.13, 1,173,466.44 and 468,364.92
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Solution
The fourth proportional to 850,338.13, 1,173,466.44 and 468,364.92 is: 646,343.49
Step by Step Solution
- Step 1: Write the proportion equation
850,338.13 : 1,173,466.44 = 468,364.92 : x - Step 2: Convert to fraction form
850,338.13/1,173,466.44 = 468,364.92/x - Step 3: Cross multiply
850,338.13x = 1,173,466.44 × 468,364.92 - Step 4: Simplify right side
850,338.13x = 549,610,515,293.29 - Step 5: Solve for x
x = 549,610,515,293.29/850,338.13 - Step 6: Final answer
x = 646,343.49
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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.