Finding the Fourth Proportional to 745,634.16, 1,029,046.68 and 459,321.84
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Solution
The fourth proportional to 745,634.16, 1,029,046.68 and 459,321.84 is: 633,908.21
Step by Step Solution
- Step 1: Write the proportion equation
745,634.16 : 1,029,046.68 = 459,321.84 : x - Step 2: Convert to fraction form
745,634.16/1,029,046.68 = 459,321.84/x - Step 3: Cross multiply
745,634.16x = 1,029,046.68 × 459,321.84 - Step 4: Simplify right side
745,634.16x = 472,663,614,503.49 - Step 5: Solve for x
x = 472,663,614,503.49/745,634.16 - Step 6: Final answer
x = 633,908.21
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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.