Finding the Fourth Proportional to 540,668.28, 811,451.70 and 288,224.76
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Solution
The fourth proportional to 540,668.28, 811,451.70 and 288,224.76 is: 432,576.65
Step by Step Solution
- Step 1: Write the proportion equation
540,668.28 : 811,451.70 = 288,224.76 : x - Step 2: Convert to fraction form
540,668.28/811,451.70 = 288,224.76/x - Step 3: Cross multiply
540,668.28x = 811,451.70 × 288,224.76 - Step 4: Simplify right side
540,668.28x = 233,880,471,484.09 - Step 5: Solve for x
x = 233,880,471,484.09/540,668.28 - Step 6: Final answer
x = 432,576.65
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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.