Finding the Fourth Proportional to 656,875.70, 984,840.67 and 403,632.97
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Solution
The fourth proportional to 656,875.70, 984,840.67 and 403,632.97 is: 605,158.88
Step by Step Solution
- Step 1: Write the proportion equation
656,875.70 : 984,840.67 = 403,632.97 : x - Step 2: Convert to fraction form
656,875.70/984,840.67 = 403,632.97/x - Step 3: Cross multiply
656,875.70x = 984,840.67 × 403,632.97 - Step 4: Simplify right side
656,875.70x = 397,514,161,675.06 - Step 5: Solve for x
x = 397,514,161,675.06/656,875.70 - Step 6: Final answer
x = 605,158.88
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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.