Finding the Fourth Proportional to 527,512.95, 790,318.08 and 324,756.18
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Solution
The fourth proportional to 527,512.95, 790,318.08 and 324,756.18 is: 486,548.59
Step by Step Solution
- Step 1: Write the proportion equation
527,512.95 : 790,318.08 = 324,756.18 : x - Step 2: Convert to fraction form
527,512.95/790,318.08 = 324,756.18/x - Step 3: Cross multiply
527,512.95x = 790,318.08 × 324,756.18 - Step 4: Simplify right side
527,512.95x = 256,660,680,645.73 - Step 5: Solve for x
x = 256,660,680,645.73/527,512.95 - Step 6: Final answer
x = 486,548.59
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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.