Finding the Fourth Proportional to 538,292.80, 809,188.80 and 461,310.40
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Solution
The fourth proportional to 538,292.80, 809,188.80 and 461,310.40 is: 693,464.99
Step by Step Solution
- Step 1: Write the proportion equation
538,292.80 : 809,188.80 = 461,310.40 : x - Step 2: Convert to fraction form
538,292.80/809,188.80 = 461,310.40/x - Step 3: Cross multiply
538,292.80x = 809,188.80 × 461,310.40 - Step 4: Simplify right side
538,292.80x = 373,287,209,003.52 - Step 5: Solve for x
x = 373,287,209,003.52/538,292.80 - Step 6: Final answer
x = 693,464.99
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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.