Finding the Fourth Proportional to 620,868.11, 930,523.41 and 265,464.95
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Solution
The fourth proportional to 620,868.11, 930,523.41 and 265,464.95 is: 397,864.45
Step by Step Solution
- Step 1: Write the proportion equation
620,868.11 : 930,523.41 = 265,464.95 : x - Step 2: Convert to fraction form
620,868.11/930,523.41 = 265,464.95/x - Step 3: Cross multiply
620,868.11x = 930,523.41 × 265,464.95 - Step 4: Simplify right side
620,868.11x = 247,021,350,509.48 - Step 5: Solve for x
x = 247,021,350,509.48/620,868.11 - Step 6: Final answer
x = 397,864.45
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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.