Finding the Fourth Proportional to 471,251.20, 706,876.80 and 359,276.80
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Solution
The fourth proportional to 471,251.20, 706,876.80 and 359,276.80 is: 538,915.20
Step by Step Solution
- Step 1: Write the proportion equation
471,251.20 : 706,876.80 = 359,276.80 : x - Step 2: Convert to fraction form
471,251.20/706,876.80 = 359,276.80/x - Step 3: Cross multiply
471,251.20x = 706,876.80 × 359,276.80 - Step 4: Simplify right side
471,251.20x = 253,964,434,698.24 - Step 5: Solve for x
x = 253,964,434,698.24/471,251.20 - Step 6: Final answer
x = 538,915.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.