Finding the Fourth Proportional to 509,952.40, 764,600.28 and 438,896.68
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Solution
The fourth proportional to 509,952.40, 764,600.28 and 438,896.68 is: 658,062.45
Step by Step Solution
- Step 1: Write the proportion equation
509,952.40 : 764,600.28 = 438,896.68 : x - Step 2: Convert to fraction form
509,952.40/764,600.28 = 438,896.68/x - Step 3: Cross multiply
509,952.40x = 764,600.28 × 438,896.68 - Step 4: Simplify right side
509,952.40x = 335,580,524,419.07 - Step 5: Solve for x
x = 335,580,524,419.07/509,952.40 - Step 6: Final answer
x = 658,062.45
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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.