Finding the Fourth Proportional to 518,757.24, 716,063.58 and 303,966.84
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Solution
The fourth proportional to 518,757.24, 716,063.58 and 303,966.84 is: 419,578.88
Step by Step Solution
- Step 1: Write the proportion equation
518,757.24 : 716,063.58 = 303,966.84 : x - Step 2: Convert to fraction form
518,757.24/716,063.58 = 303,966.84/x - Step 3: Cross multiply
518,757.24x = 716,063.58 × 303,966.84 - Step 4: Simplify right side
518,757.24x = 217,659,583,651.69 - Step 5: Solve for x
x = 217,659,583,651.69/518,757.24 - Step 6: Final answer
x = 419,578.88
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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.