Finding the Fourth Proportional to 722,521.19, 1,079,387.32 and 467,725.97
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Solution
The fourth proportional to 722,521.19, 1,079,387.32 and 467,725.97 is: 698,744.18
Step by Step Solution
- Step 1: Write the proportion equation
722,521.19 : 1,079,387.32 = 467,725.97 : x - Step 2: Convert to fraction form
722,521.19/1,079,387.32 = 467,725.97/x - Step 3: Cross multiply
722,521.19x = 1,079,387.32 × 467,725.97 - Step 4: Simplify right side
722,521.19x = 504,857,478,914.07 - Step 5: Solve for x
x = 504,857,478,914.07/722,521.19 - Step 6: Final answer
x = 698,744.18
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.