Finding the Fourth Proportional to 755,635.60, 1,133,532.84 and 435,780.19
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Solution
The fourth proportional to 755,635.60, 1,133,532.84 and 435,780.19 is: 653,716.10
Step by Step Solution
- Step 1: Write the proportion equation
755,635.60 : 1,133,532.84 = 435,780.19 : x - Step 2: Convert to fraction form
755,635.60/1,133,532.84 = 435,780.19/x - Step 3: Cross multiply
755,635.60x = 1,133,532.84 × 435,780.19 - Step 4: Simplify right side
755,635.60x = 493,971,150,718.78 - Step 5: Solve for x
x = 493,971,150,718.78/755,635.60 - Step 6: Final answer
x = 653,716.10
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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.