Finding the Fourth Proportional to 603,618.53, 832,754.84 and 388,883.84
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Solution
The fourth proportional to 603,618.53, 832,754.84 and 388,883.84 is: 536,505.89
Step by Step Solution
- Step 1: Write the proportion equation
603,618.53 : 832,754.84 = 388,883.84 : x - Step 2: Convert to fraction form
603,618.53/832,754.84 = 388,883.84/x - Step 3: Cross multiply
603,618.53x = 832,754.84 × 388,883.84 - Step 4: Simplify right side
603,618.53x = 323,844,893,849.59 - Step 5: Solve for x
x = 323,844,893,849.59/603,618.53 - Step 6: Final answer
x = 536,505.89
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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.