Finding the Fourth Proportional to 673,267.62, 929,229.54 and 401,353.05
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Solution
The fourth proportional to 673,267.62, 929,229.54 and 401,353.05 is: 553,938.88
Step by Step Solution
- Step 1: Write the proportion equation
673,267.62 : 929,229.54 = 401,353.05 : x - Step 2: Convert to fraction form
673,267.62/929,229.54 = 401,353.05/x - Step 3: Cross multiply
673,267.62x = 929,229.54 × 401,353.05 - Step 4: Simplify right side
673,267.62x = 372,949,110,029.10 - Step 5: Solve for x
x = 372,949,110,029.10/673,267.62 - Step 6: Final answer
x = 553,938.88
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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.