Finding the Fourth Proportional to 608,818.54, 913,542.81 and 441,718.09
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Solution
The fourth proportional to 608,818.54, 913,542.81 and 441,718.09 is: 662,805.68
Step by Step Solution
- Step 1: Write the proportion equation
608,818.54 : 913,542.81 = 441,718.09 : x - Step 2: Convert to fraction form
608,818.54/913,542.81 = 441,718.09/x - Step 3: Cross multiply
608,818.54x = 913,542.81 × 441,718.09 - Step 4: Simplify right side
608,818.54x = 403,528,385,166.43 - Step 5: Solve for x
x = 403,528,385,166.43/608,818.54 - Step 6: Final answer
x = 662,805.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.