Finding the Fourth Proportional to 772,180.56, 1,065,608.46 and 432,651.24
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Solution
The fourth proportional to 772,180.56, 1,065,608.46 and 432,651.24 is: 597,058.31
Step by Step Solution
- Step 1: Write the proportion equation
772,180.56 : 1,065,608.46 = 432,651.24 : x - Step 2: Convert to fraction form
772,180.56/1,065,608.46 = 432,651.24/x - Step 3: Cross multiply
772,180.56x = 1,065,608.46 × 432,651.24 - Step 4: Simplify right side
772,180.56x = 461,036,821,573.49 - Step 5: Solve for x
x = 461,036,821,573.49/772,180.56 - Step 6: Final answer
x = 597,058.31
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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.