Finding the Fourth Proportional to 764,631, 1,053,634.68 and 591,497.28
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Solution
The fourth proportional to 764,631, 1,053,634.68 and 591,497.28 is: 815,062.49
Step by Step Solution
- Step 1: Write the proportion equation
764,631 : 1,053,634.68 = 591,497.28 : x - Step 2: Convert to fraction form
764,631/1,053,634.68 = 591,497.28/x - Step 3: Cross multiply
764,631x = 1,053,634.68 × 591,497.28 - Step 4: Simplify right side
764,631x = 623,222,047,333.67 - Step 5: Solve for x
x = 623,222,047,333.67/764,631 - Step 6: Final answer
x = 815,062.49
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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.