Finding the Fourth Proportional to 534,759.20, 802,138.80 and 474,624.80
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Solution
The fourth proportional to 534,759.20, 802,138.80 and 474,624.80 is: 711,937.20
Step by Step Solution
- Step 1: Write the proportion equation
534,759.20 : 802,138.80 = 474,624.80 : x - Step 2: Convert to fraction form
534,759.20/802,138.80 = 474,624.80/x - Step 3: Cross multiply
534,759.20x = 802,138.80 × 474,624.80 - Step 4: Simplify right side
534,759.20x = 380,714,967,522.24 - Step 5: Solve for x
x = 380,714,967,522.24/534,759.20 - Step 6: Final answer
x = 711,937.20
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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.