Finding the Fourth Proportional to 497,486.80, 746,230.20 and 453,941.20
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Solution
The fourth proportional to 497,486.80, 746,230.20 and 453,941.20 is: 680,911.80
Step by Step Solution
- Step 1: Write the proportion equation
497,486.80 : 746,230.20 = 453,941.20 : x - Step 2: Convert to fraction form
497,486.80/746,230.20 = 453,941.20/x - Step 3: Cross multiply
497,486.80x = 746,230.20 × 453,941.20 - Step 4: Simplify right side
497,486.80x = 338,744,632,464.24 - Step 5: Solve for x
x = 338,744,632,464.24/497,486.80 - Step 6: Final answer
x = 680,911.80
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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.