Finding the Fourth Proportional to 586,469.76, 809,318.16 and 356,943.84
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Solution
The fourth proportional to 586,469.76, 809,318.16 and 356,943.84 is: 492,576.35
Step by Step Solution
- Step 1: Write the proportion equation
586,469.76 : 809,318.16 = 356,943.84 : x - Step 2: Convert to fraction form
586,469.76/809,318.16 = 356,943.84/x - Step 3: Cross multiply
586,469.76x = 809,318.16 × 356,943.84 - Step 4: Simplify right side
586,469.76x = 288,881,131,812.13 - Step 5: Solve for x
x = 288,881,131,812.13/586,469.76 - Step 6: Final answer
x = 492,576.35
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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.