Finding the Fourth Proportional to 749,310.12, 1,033,734.36 and 491,249.04
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Solution
The fourth proportional to 749,310.12, 1,033,734.36 and 491,249.04 is: 677,718.07
Step by Step Solution
- Step 1: Write the proportion equation
749,310.12 : 1,033,734.36 = 491,249.04 : x - Step 2: Convert to fraction form
749,310.12/1,033,734.36 = 491,249.04/x - Step 3: Cross multiply
749,310.12x = 1,033,734.36 × 491,249.04 - Step 4: Simplify right side
749,310.12x = 507,821,011,965.01 - Step 5: Solve for x
x = 507,821,011,965.01/749,310.12 - Step 6: Final answer
x = 677,718.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.