Finding the Fourth Proportional to 705,062.43, 972,986.18 and 382,772.07
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Solution
The fourth proportional to 705,062.43, 972,986.18 and 382,772.07 is: 528,225.47
Step by Step Solution
- Step 1: Write the proportion equation
705,062.43 : 972,986.18 = 382,772.07 : x - Step 2: Convert to fraction form
705,062.43/972,986.18 = 382,772.07/x - Step 3: Cross multiply
705,062.43x = 972,986.18 × 382,772.07 - Step 4: Simplify right side
705,062.43x = 372,431,932,286.13 - Step 5: Solve for x
x = 372,431,932,286.13/705,062.43 - Step 6: Final answer
x = 528,225.47
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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.