Finding the Fourth Proportional to 533,998.20, 746,197.80 and 533,998.20
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Solution
The fourth proportional to 533,998.20, 746,197.80 and 533,998.20 is: 746,197.80
Step by Step Solution
- Step 1: Write the proportion equation
533,998.20 : 746,197.80 = 533,998.20 : x - Step 2: Convert to fraction form
533,998.20/746,197.80 = 533,998.20/x - Step 3: Cross multiply
533,998.20x = 746,197.80 × 533,998.20 - Step 4: Simplify right side
533,998.20x = 398,468,282,043.96 - Step 5: Solve for x
x = 398,468,282,043.96/533,998.20 - Step 6: Final answer
x = 746,197.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.