Finding the Fourth Proportional to 511,387.01, 767,343.41 and 392,209.58
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Solution
The fourth proportional to 511,387.01, 767,343.41 and 392,209.58 is: 588,515.99
Step by Step Solution
- Step 1: Write the proportion equation
511,387.01 : 767,343.41 = 392,209.58 : x - Step 2: Convert to fraction form
511,387.01/767,343.41 = 392,209.58/x - Step 3: Cross multiply
511,387.01x = 767,343.41 × 392,209.58 - Step 4: Simplify right side
511,387.01x = 300,959,430,754.10 - Step 5: Solve for x
x = 300,959,430,754.10/511,387.01 - Step 6: Final answer
x = 588,515.99
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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.