Finding the Fourth Proportional to 512,952.18, 707,910.66 and 283,504.53
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Solution
The fourth proportional to 512,952.18, 707,910.66 and 283,504.53 is: 391,256.51
Step by Step Solution
- Step 1: Write the proportion equation
512,952.18 : 707,910.66 = 283,504.53 : x - Step 2: Convert to fraction form
512,952.18/707,910.66 = 283,504.53/x - Step 3: Cross multiply
512,952.18x = 707,910.66 × 283,504.53 - Step 4: Simplify right side
512,952.18x = 200,695,878,945.29 - Step 5: Solve for x
x = 200,695,878,945.29/512,952.18 - Step 6: Final answer
x = 391,256.51
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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.