Finding the Fourth Proportional to 663,082.56, 915,814.08 and 437,734.08
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Solution
The fourth proportional to 663,082.56, 915,814.08 and 437,734.08 is: 604,574.84
Step by Step Solution
- Step 1: Write the proportion equation
663,082.56 : 915,814.08 = 437,734.08 : x - Step 2: Convert to fraction form
663,082.56/915,814.08 = 437,734.08/x - Step 3: Cross multiply
663,082.56x = 915,814.08 × 437,734.08 - Step 4: Simplify right side
663,082.56x = 400,883,033,759.85 - Step 5: Solve for x
x = 400,883,033,759.85/663,082.56 - Step 6: Final answer
x = 604,574.84
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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.