Finding the Fourth Proportional to 990,046.26, 1,366,263.72 and 537,337.26
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Solution
The fourth proportional to 990,046.26, 1,366,263.72 and 537,337.26 is: 741,525.35
Step by Step Solution
- Step 1: Write the proportion equation
990,046.26 : 1,366,263.72 = 537,337.26 : x - Step 2: Convert to fraction form
990,046.26/1,366,263.72 = 537,337.26/x - Step 3: Cross multiply
990,046.26x = 1,366,263.72 × 537,337.26 - Step 4: Simplify right side
990,046.26x = 734,144,403,742.21 - Step 5: Solve for x
x = 734,144,403,742.21/990,046.26 - Step 6: Final answer
x = 741,525.35
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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.