Finding the Fourth Proportional to 540,729.75, 811,582.14 and 288,220.55
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Solution
The fourth proportional to 540,729.75, 811,582.14 and 288,220.55 is: 432,590.68
Step by Step Solution
- Step 1: Write the proportion equation
540,729.75 : 811,582.14 = 288,220.55 : x - Step 2: Convert to fraction form
540,729.75/811,582.14 = 288,220.55/x - Step 3: Cross multiply
540,729.75x = 811,582.14 × 288,220.55 - Step 4: Simplify right side
540,729.75x = 233,914,650,760.98 - Step 5: Solve for x
x = 233,914,650,760.98/540,729.75 - Step 6: Final answer
x = 432,590.68
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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.