Finding the Fourth Proportional to 518,358.20, 777,537.30 and 488,833.70
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Solution
The fourth proportional to 518,358.20, 777,537.30 and 488,833.70 is: 733,250.55
Step by Step Solution
- Step 1: Write the proportion equation
518,358.20 : 777,537.30 = 488,833.70 : x - Step 2: Convert to fraction form
518,358.20/777,537.30 = 488,833.70/x - Step 3: Cross multiply
518,358.20x = 777,537.30 × 488,833.70 - Step 4: Simplify right side
518,358.20x = 380,086,435,247.01 - Step 5: Solve for x
x = 380,086,435,247.01/518,358.20 - Step 6: Final answer
x = 733,250.55
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Similar ratio
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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.