Finding the Fourth Proportional to 559,350.32, 771,915.36 and 304,700.96
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Solution
The fourth proportional to 559,350.32, 771,915.36 and 304,700.96 is: 420,493.82
Step by Step Solution
- Step 1: Write the proportion equation
559,350.32 : 771,915.36 = 304,700.96 : x - Step 2: Convert to fraction form
559,350.32/771,915.36 = 304,700.96/x - Step 3: Cross multiply
559,350.32x = 771,915.36 × 304,700.96 - Step 4: Simplify right side
559,350.32x = 235,203,351,230.75 - Step 5: Solve for x
x = 235,203,351,230.75/559,350.32 - Step 6: Final answer
x = 420,493.82
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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.