Finding the Fourth Proportional to 537,415.36, 741,735.84 and 355,806.88
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Solution
The fourth proportional to 537,415.36, 741,735.84 and 355,806.88 is: 491,081.45
Step by Step Solution
- Step 1: Write the proportion equation
537,415.36 : 741,735.84 = 355,806.88 : x - Step 2: Convert to fraction form
537,415.36/741,735.84 = 355,806.88/x - Step 3: Cross multiply
537,415.36x = 741,735.84 × 355,806.88 - Step 4: Simplify right side
537,415.36x = 263,914,715,014.58 - Step 5: Solve for x
x = 263,914,715,014.58/537,415.36 - Step 6: Final answer
x = 491,081.45
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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.