Finding the Fourth Proportional to 526,878.96, 727,093.08 and 288,414.96
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Solution
The fourth proportional to 526,878.96, 727,093.08 and 288,414.96 is: 398,012.71
Step by Step Solution
- Step 1: Write the proportion equation
526,878.96 : 727,093.08 = 288,414.96 : x - Step 2: Convert to fraction form
526,878.96/727,093.08 = 288,414.96/x - Step 3: Cross multiply
526,878.96x = 727,093.08 × 288,414.96 - Step 4: Simplify right side
526,878.96x = 209,704,521,584.48 - Step 5: Solve for x
x = 209,704,521,584.48/526,878.96 - Step 6: Final answer
x = 398,012.71
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1.5x scale
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.