Finding the Fourth Proportional to 664,489.68, 918,195.26 and 473,170.92
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Solution
The fourth proportional to 664,489.68, 918,195.26 and 473,170.92 is: 653,830.01
Step by Step Solution
- Step 1: Write the proportion equation
664,489.68 : 918,195.26 = 473,170.92 : x - Step 2: Convert to fraction form
664,489.68/918,195.26 = 473,170.92/x - Step 3: Cross multiply
664,489.68x = 918,195.26 × 473,170.92 - Step 4: Simplify right side
664,489.68x = 434,463,295,913.84 - Step 5: Solve for x
x = 434,463,295,913.84/664,489.68 - Step 6: Final answer
x = 653,830.01
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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.