Finding the Fourth Proportional to 626,542.08, 864,618.75 and 354,661.53
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Solution
The fourth proportional to 626,542.08, 864,618.75 and 354,661.53 is: 489,427.64
Step by Step Solution
- Step 1: Write the proportion equation
626,542.08 : 864,618.75 = 354,661.53 : x - Step 2: Convert to fraction form
626,542.08/864,618.75 = 354,661.53/x - Step 3: Cross multiply
626,542.08x = 864,618.75 × 354,661.53 - Step 4: Simplify right side
626,542.08x = 306,647,008,741.69 - Step 5: Solve for x
x = 306,647,008,741.69/626,542.08 - Step 6: Final answer
x = 489,427.64
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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.