Finding the Fourth Proportional to 509,359.44, 762,989.16 and 298,357.68
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Solution
The fourth proportional to 509,359.44, 762,989.16 and 298,357.68 is: 446,921.48
Step by Step Solution
- Step 1: Write the proportion equation
509,359.44 : 762,989.16 = 298,357.68 : x - Step 2: Convert to fraction form
509,359.44/762,989.16 = 298,357.68/x - Step 3: Cross multiply
509,359.44x = 762,989.16 × 298,357.68 - Step 4: Simplify right side
509,359.44x = 227,643,675,642.75 - Step 5: Solve for x
x = 227,643,675,642.75/509,359.44 - Step 6: Final answer
x = 446,921.48
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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.