Finding the Fourth Proportional to 527,138.86, 790,589.74 and 242,556.42
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Solution
The fourth proportional to 527,138.86, 790,589.74 and 242,556.42 is: 363,780.08
Step by Step Solution
- Step 1: Write the proportion equation
527,138.86 : 790,589.74 = 242,556.42 : x - Step 2: Convert to fraction form
527,138.86/790,589.74 = 242,556.42/x - Step 3: Cross multiply
527,138.86x = 790,589.74 × 242,556.42 - Step 4: Simplify right side
527,138.86x = 191,762,617,023.13 - Step 5: Solve for x
x = 191,762,617,023.13/527,138.86 - Step 6: Final answer
x = 363,780.08
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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.