Finding the Fourth Proportional to 527,507.70, 790,310.21 and 324,750.93
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Solution
The fourth proportional to 527,507.70, 790,310.21 and 324,750.93 is: 486,540.72
Step by Step Solution
- Step 1: Write the proportion equation
527,507.70 : 790,310.21 = 324,750.93 : x - Step 2: Convert to fraction form
527,507.70/790,310.21 = 324,750.93/x - Step 3: Cross multiply
527,507.70x = 790,310.21 × 324,750.93 - Step 4: Simplify right side
527,507.70x = 256,653,974,062.24 - Step 5: Solve for x
x = 256,653,974,062.24/527,507.70 - Step 6: Final answer
x = 486,540.72
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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.