Finding the Fourth Proportional to 511,848.98, 706,578.12 and 330,649.28
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Solution
The fourth proportional to 511,848.98, 706,578.12 and 330,649.28 is: 456,442.34
Step by Step Solution
- Step 1: Write the proportion equation
511,848.98 : 706,578.12 = 330,649.28 : x - Step 2: Convert to fraction form
511,848.98/706,578.12 = 330,649.28/x - Step 3: Cross multiply
511,848.98x = 706,578.12 × 330,649.28 - Step 4: Simplify right side
511,848.98x = 233,629,546,641.75 - Step 5: Solve for x
x = 233,629,546,641.75/511,848.98 - Step 6: Final answer
x = 456,442.34
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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.