Finding the Fourth Proportional to 755,847.71, 1,043,069.78 and 416,315.96
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Solution
The fourth proportional to 755,847.71, 1,043,069.78 and 416,315.96 is: 574,515.99
Step by Step Solution
- Step 1: Write the proportion equation
755,847.71 : 1,043,069.78 = 416,315.96 : x - Step 2: Convert to fraction form
755,847.71/1,043,069.78 = 416,315.96/x - Step 3: Cross multiply
755,847.71x = 1,043,069.78 × 416,315.96 - Step 4: Simplify right side
755,847.71x = 434,246,589,510.76 - Step 5: Solve for x
x = 434,246,589,510.76/755,847.71 - Step 6: Final answer
x = 574,515.99
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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.