Finding the Fourth Proportional to 868,034.94, 1,302,042.68 and 306,938.22
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Solution
The fourth proportional to 868,034.94, 1,302,042.68 and 306,938.22 is: 460,403.89
Step by Step Solution
- Step 1: Write the proportion equation
868,034.94 : 1,302,042.68 = 306,938.22 : x - Step 2: Convert to fraction form
868,034.94/1,302,042.68 = 306,938.22/x - Step 3: Cross multiply
868,034.94x = 1,302,042.68 × 306,938.22 - Step 4: Simplify right side
868,034.94x = 399,646,662,563.23 - Step 5: Solve for x
x = 399,646,662,563.23/868,034.94 - Step 6: Final answer
x = 460,403.89
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1.5x scale
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.