Finding the Fourth Proportional to 511,560.36, 767,736.36 and 411,964.92
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Solution
The fourth proportional to 511,560.36, 767,736.36 and 411,964.92 is: 618,266.14
Step by Step Solution
- Step 1: Write the proportion equation
511,560.36 : 767,736.36 = 411,964.92 : x - Step 2: Convert to fraction form
511,560.36/767,736.36 = 411,964.92/x - Step 3: Cross multiply
511,560.36x = 767,736.36 × 411,964.92 - Step 4: Simplify right side
511,560.36x = 316,280,448,128.49 - Step 5: Solve for x
x = 316,280,448,128.49/511,560.36 - Step 6: Final answer
x = 618,266.14
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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.