Finding the Fourth Proportional to 701,299.62, 967,793.63 and 399,493.62
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Solution
The fourth proportional to 701,299.62, 967,793.63 and 399,493.62 is: 551,301.28
Step by Step Solution
- Step 1: Write the proportion equation
701,299.62 : 967,793.63 = 399,493.62 : x - Step 2: Convert to fraction form
701,299.62/967,793.63 = 399,493.62/x - Step 3: Cross multiply
701,299.62x = 967,793.63 × 399,493.62 - Step 4: Simplify right side
701,299.62x = 386,627,378,664.17 - Step 5: Solve for x
x = 386,627,378,664.17/701,299.62 - Step 6: Final answer
x = 551,301.28
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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.