Finding the Fourth Proportional to 682,703.24, 1,024,186.68 and 261,946.31
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Solution
The fourth proportional to 682,703.24, 1,024,186.68 and 261,946.31 is: 392,970.04
Step by Step Solution
- Step 1: Write the proportion equation
682,703.24 : 1,024,186.68 = 261,946.31 : x - Step 2: Convert to fraction form
682,703.24/1,024,186.68 = 261,946.31/x - Step 3: Cross multiply
682,703.24x = 1,024,186.68 × 261,946.31 - Step 4: Simplify right side
682,703.24x = 268,281,916,456.22 - Step 5: Solve for x
x = 268,281,916,456.22/682,703.24 - Step 6: Final answer
x = 392,970.04
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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.