Finding the Fourth Proportional to 539,556.60, 809,853.30 and 273,617.40
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Solution
The fourth proportional to 539,556.60, 809,853.30 and 273,617.40 is: 410,688.99
Step by Step Solution
- Step 1: Write the proportion equation
539,556.60 : 809,853.30 = 273,617.40 : x - Step 2: Convert to fraction form
539,556.60/809,853.30 = 273,617.40/x - Step 3: Cross multiply
539,556.60x = 809,853.30 × 273,617.40 - Step 4: Simplify right side
539,556.60x = 221,589,954,327.42 - Step 5: Solve for x
x = 221,589,954,327.42/539,556.60 - Step 6: Final answer
x = 410,688.99
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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.