Finding the Fourth Proportional to 682,935.03, 1,024,432.11 and 209,639.07
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Solution
The fourth proportional to 682,935.03, 1,024,432.11 and 209,639.07 is: 314,467.68
Step by Step Solution
- Step 1: Write the proportion equation
682,935.03 : 1,024,432.11 = 209,639.07 : x - Step 2: Convert to fraction form
682,935.03/1,024,432.11 = 209,639.07/x - Step 3: Cross multiply
682,935.03x = 1,024,432.11 × 209,639.07 - Step 4: Simplify right side
682,935.03x = 214,760,994,818.54 - Step 5: Solve for x
x = 214,760,994,818.54/682,935.03 - Step 6: Final answer
x = 314,467.68
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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.