Finding the Fourth Proportional to 511,542.36, 767,534.58 and 274,608.12
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Solution
The fourth proportional to 511,542.36, 767,534.58 and 274,608.12 is: 412,030.84
Step by Step Solution
- Step 1: Write the proportion equation
511,542.36 : 767,534.58 = 274,608.12 : x - Step 2: Convert to fraction form
511,542.36/767,534.58 = 274,608.12/x - Step 3: Cross multiply
511,542.36x = 767,534.58 × 274,608.12 - Step 4: Simplify right side
511,542.36x = 210,771,228,048.79 - Step 5: Solve for x
x = 210,771,228,048.79/511,542.36 - Step 6: Final answer
x = 412,030.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.