Finding the Fourth Proportional to 528,097.97, 728,721.62 and 324,157.49
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Solution
The fourth proportional to 528,097.97, 728,721.62 and 324,157.49 is: 447,304.45
Step by Step Solution
- Step 1: Write the proportion equation
528,097.97 : 728,721.62 = 324,157.49 : x - Step 2: Convert to fraction form
528,097.97/728,721.62 = 324,157.49/x - Step 3: Cross multiply
528,097.97x = 728,721.62 × 324,157.49 - Step 4: Simplify right side
528,097.97x = 236,220,571,247.93 - Step 5: Solve for x
x = 236,220,571,247.93/528,097.97 - Step 6: Final answer
x = 447,304.45
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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.