Finding the Fourth Proportional to 891,107.92, 1,336,128.08 and 283,633.84
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Solution
The fourth proportional to 891,107.92, 1,336,128.08 and 283,633.84 is: 425,280.85
Step by Step Solution
- Step 1: Write the proportion equation
891,107.92 : 1,336,128.08 = 283,633.84 : x - Step 2: Convert to fraction form
891,107.92/1,336,128.08 = 283,633.84/x - Step 3: Cross multiply
891,107.92x = 1,336,128.08 × 283,633.84 - Step 4: Simplify right side
891,107.92x = 378,971,138,062.23 - Step 5: Solve for x
x = 378,971,138,062.23/891,107.92 - Step 6: Final answer
x = 425,280.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.