Finding the Fourth Proportional to 801,122.84, 1,105,516.16 and 438,537.68
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Solution
The fourth proportional to 801,122.84, 1,105,516.16 and 438,537.68 is: 605,163.74
Step by Step Solution
- Step 1: Write the proportion equation
801,122.84 : 1,105,516.16 = 438,537.68 : x - Step 2: Convert to fraction form
801,122.84/1,105,516.16 = 438,537.68/x - Step 3: Cross multiply
801,122.84x = 1,105,516.16 × 438,537.68 - Step 4: Simplify right side
801,122.84x = 484,810,492,008.91 - Step 5: Solve for x
x = 484,810,492,008.91/801,122.84 - Step 6: Final answer
x = 605,163.74
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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.