Finding the Fourth Proportional to 511,825.44, 706,459.68 and 297,034.68
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Solution
The fourth proportional to 511,825.44, 706,459.68 and 297,034.68 is: 409,989.44
Step by Step Solution
- Step 1: Write the proportion equation
511,825.44 : 706,459.68 = 297,034.68 : x - Step 2: Convert to fraction form
511,825.44/706,459.68 = 297,034.68/x - Step 3: Cross multiply
511,825.44x = 706,459.68 × 297,034.68 - Step 4: Simplify right side
511,825.44x = 209,843,024,981.70 - Step 5: Solve for x
x = 209,843,024,981.70/511,825.44 - Step 6: Final answer
x = 409,989.44
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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.