Finding the Fourth Proportional to 555,474.07, 766,552.53 and 300,825.19
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Solution
The fourth proportional to 555,474.07, 766,552.53 and 300,825.19 is: 415,137.85
Step by Step Solution
- Step 1: Write the proportion equation
555,474.07 : 766,552.53 = 300,825.19 : x - Step 2: Convert to fraction form
555,474.07/766,552.53 = 300,825.19/x - Step 3: Cross multiply
555,474.07x = 766,552.53 × 300,825.19 - Step 4: Simplify right side
555,474.07x = 230,598,310,482.23 - Step 5: Solve for x
x = 230,598,310,482.23/555,474.07 - Step 6: Final answer
x = 415,137.85
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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.