Finding the Fourth Proportional to 676,394.10, 932,974.77 and 434,982.09
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Solution
The fourth proportional to 676,394.10, 932,974.77 and 434,982.09 is: 599,986.48
Step by Step Solution
- Step 1: Write the proportion equation
676,394.10 : 932,974.77 = 434,982.09 : x - Step 2: Convert to fraction form
676,394.10/932,974.77 = 434,982.09/x - Step 3: Cross multiply
676,394.10x = 932,974.77 × 434,982.09 - Step 4: Simplify right side
676,394.10x = 405,827,315,371.87 - Step 5: Solve for x
x = 405,827,315,371.87/676,394.10 - Step 6: Final answer
x = 599,986.48
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1.5x scale
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.