Finding the Fourth Proportional to 689,982.29, 952,175.49 and 384,052.08
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Solution
The fourth proportional to 689,982.29, 952,175.49 and 384,052.08 is: 529,991.84
Step by Step Solution
- Step 1: Write the proportion equation
689,982.29 : 952,175.49 = 384,052.08 : x - Step 2: Convert to fraction form
689,982.29/952,175.49 = 384,052.08/x - Step 3: Cross multiply
689,982.29x = 952,175.49 × 384,052.08 - Step 4: Simplify right side
689,982.29x = 365,684,981,210.20 - Step 5: Solve for x
x = 365,684,981,210.20/689,982.29 - Step 6: Final answer
x = 529,991.84
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1.5x scale
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.