Finding the Fourth Proportional to 512,954.09, 707,913.29 and 283,506.44
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Solution
The fourth proportional to 512,954.09, 707,913.29 and 283,506.44 is: 391,259.14
Step by Step Solution
- Step 1: Write the proportion equation
512,954.09 : 707,913.29 = 283,506.44 : x - Step 2: Convert to fraction form
512,954.09/707,913.29 = 283,506.44/x - Step 3: Cross multiply
512,954.09x = 707,913.29 × 283,506.44 - Step 4: Simplify right side
512,954.09x = 200,697,971,719.49 - Step 5: Solve for x
x = 200,697,971,719.49/512,954.09 - Step 6: Final answer
x = 391,259.14
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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.