Finding the Fourth Proportional to 765,953.21, 1,147,854.50 and 605,322.99
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Solution
The fourth proportional to 765,953.21, 1,147,854.50 and 605,322.99 is: 907,134.68
Step by Step Solution
- Step 1: Write the proportion equation
765,953.21 : 1,147,854.50 = 605,322.99 : x - Step 2: Convert to fraction form
765,953.21/1,147,854.50 = 605,322.99/x - Step 3: Cross multiply
765,953.21x = 1,147,854.50 × 605,322.99 - Step 4: Simplify right side
765,953.21x = 694,822,719,234.49 - Step 5: Solve for x
x = 694,822,719,234.49/765,953.21 - Step 6: Final answer
x = 907,134.68
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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.