Finding the Fourth Proportional to 512,954.33, 707,913.60 and 283,506.68
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Solution
The fourth proportional to 512,954.33, 707,913.60 and 283,506.68 is: 391,259.46
Step by Step Solution
- Step 1: Write the proportion equation
512,954.33 : 707,913.60 = 283,506.68 : x - Step 2: Convert to fraction form
512,954.33/707,913.60 = 283,506.68/x - Step 3: Cross multiply
512,954.33x = 707,913.60 × 283,506.68 - Step 4: Simplify right side
512,954.33x = 200,698,234,462.85 - Step 5: Solve for x
x = 200,698,234,462.85/512,954.33 - Step 6: Final answer
x = 391,259.46
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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.