Finding the Fourth Proportional to 669,152.88, 923,431.84 and 363,229.12
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Solution
The fourth proportional to 669,152.88, 923,431.84 and 363,229.12 is: 501,256.66
Step by Step Solution
- Step 1: Write the proportion equation
669,152.88 : 923,431.84 = 363,229.12 : x - Step 2: Convert to fraction form
669,152.88/923,431.84 = 363,229.12/x - Step 3: Cross multiply
669,152.88x = 923,431.84 × 363,229.12 - Step 4: Simplify right side
669,152.88x = 335,417,334,623.18 - Step 5: Solve for x
x = 335,417,334,623.18/669,152.88 - Step 6: Final answer
x = 501,256.66
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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.