Finding the Fourth Proportional to 620,869.11, 930,524.91 and 265,465.95
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Solution
The fourth proportional to 620,869.11, 930,524.91 and 265,465.95 is: 397,865.95
Step by Step Solution
- Step 1: Write the proportion equation
620,869.11 : 930,524.91 = 265,465.95 : x - Step 2: Convert to fraction form
620,869.11/930,524.91 = 265,465.95/x - Step 3: Cross multiply
620,869.11x = 930,524.91 × 265,465.95 - Step 4: Simplify right side
620,869.11x = 247,022,679,231.82 - Step 5: Solve for x
x = 247,022,679,231.82/620,869.11 - Step 6: Final answer
x = 397,865.95
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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.