Finding the Fourth Proportional to 511,644.66, 767,211.36 and 298,485.84
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Solution
The fourth proportional to 511,644.66, 767,211.36 and 298,485.84 is: 447,579.63
Step by Step Solution
- Step 1: Write the proportion equation
511,644.66 : 767,211.36 = 298,485.84 : x - Step 2: Convert to fraction form
511,644.66/767,211.36 = 298,485.84/x - Step 3: Cross multiply
511,644.66x = 767,211.36 × 298,485.84 - Step 4: Simplify right side
511,644.66x = 229,001,727,247.14 - Step 5: Solve for x
x = 229,001,727,247.14/511,644.66 - Step 6: Final answer
x = 447,579.63
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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.