Finding the Fourth Proportional to 555,924.26, 765,584.35 and 521,283.28
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Solution
The fourth proportional to 555,924.26, 765,584.35 and 521,283.28 is: 717,878.94
Step by Step Solution
- Step 1: Write the proportion equation
555,924.26 : 765,584.35 = 521,283.28 : x - Step 2: Convert to fraction form
555,924.26/765,584.35 = 521,283.28/x - Step 3: Cross multiply
555,924.26x = 765,584.35 × 521,283.28 - Step 4: Simplify right side
555,924.26x = 399,086,321,084.67 - Step 5: Solve for x
x = 399,086,321,084.67/555,924.26 - Step 6: Final answer
x = 717,878.94
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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.