Finding the Fourth Proportional to 607,441.05, 838,263.64 and 331,799.05
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Solution
The fourth proportional to 607,441.05, 838,263.64 and 331,799.05 is: 457,879.95
Step by Step Solution
- Step 1: Write the proportion equation
607,441.05 : 838,263.64 = 331,799.05 : x - Step 2: Convert to fraction form
607,441.05/838,263.64 = 331,799.05/x - Step 3: Cross multiply
607,441.05x = 838,263.64 × 331,799.05 - Step 4: Simplify right side
607,441.05x = 278,135,079,401.54 - Step 5: Solve for x
x = 278,135,079,401.54/607,441.05 - Step 6: Final answer
x = 457,879.95
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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.