Finding the Fourth Proportional to 626,295.92, 864,283.40 and 354,361.52
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Solution
The fourth proportional to 626,295.92, 864,283.40 and 354,361.52 is: 489,016.09
Step by Step Solution
- Step 1: Write the proportion equation
626,295.92 : 864,283.40 = 354,361.52 : x - Step 2: Convert to fraction form
626,295.92/864,283.40 = 354,361.52/x - Step 3: Cross multiply
626,295.92x = 864,283.40 × 354,361.52 - Step 4: Simplify right side
626,295.92x = 306,268,779,334.77 - Step 5: Solve for x
x = 306,268,779,334.77/626,295.92 - Step 6: Final answer
x = 489,016.09
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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.