Finding the Fourth Proportional to 656,099.46, 905,420.43 and 369,624.06
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Solution
The fourth proportional to 656,099.46, 905,420.43 and 369,624.06 is: 510,082.99
Step by Step Solution
- Step 1: Write the proportion equation
656,099.46 : 905,420.43 = 369,624.06 : x - Step 2: Convert to fraction form
656,099.46/905,420.43 = 369,624.06/x - Step 3: Cross multiply
656,099.46x = 905,420.43 × 369,624.06 - Step 4: Simplify right side
656,099.46x = 334,665,175,343.55 - Step 5: Solve for x
x = 334,665,175,343.55/656,099.46 - Step 6: Final answer
x = 510,082.99
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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.