Finding the Fourth Proportional to 891,108.92, 1,336,129.58 and 283,634.84
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Solution
The fourth proportional to 891,108.92, 1,336,129.58 and 283,634.84 is: 425,282.35
Step by Step Solution
- Step 1: Write the proportion equation
891,108.92 : 1,336,129.58 = 283,634.84 : x - Step 2: Convert to fraction form
891,108.92/1,336,129.58 = 283,634.84/x - Step 3: Cross multiply
891,108.92x = 1,336,129.58 × 283,634.84 - Step 4: Simplify right side
891,108.92x = 378,972,899,642.57 - Step 5: Solve for x
x = 378,972,899,642.57/891,108.92 - Step 6: Final answer
x = 425,282.35
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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.