Finding the Fourth Proportional to 529,059.14, 729,604.28 and 408,008.69
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Solution
The fourth proportional to 529,059.14, 729,604.28 and 408,008.69 is: 562,668.45
Step by Step Solution
- Step 1: Write the proportion equation
529,059.14 : 729,604.28 = 408,008.69 : x - Step 2: Convert to fraction form
529,059.14/729,604.28 = 408,008.69/x - Step 3: Cross multiply
529,059.14x = 729,604.28 × 408,008.69 - Step 4: Simplify right side
529,059.14x = 297,684,883,873.19 - Step 5: Solve for x
x = 297,684,883,873.19/529,059.14 - Step 6: Final answer
x = 562,668.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.