Finding the Fourth Proportional to 512,536.49, 707,239.64 and 283,080.09
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Solution
The fourth proportional to 512,536.49, 707,239.64 and 283,080.09 is: 390,617.00
Step by Step Solution
- Step 1: Write the proportion equation
512,536.49 : 707,239.64 = 283,080.09 : x - Step 2: Convert to fraction form
512,536.49/707,239.64 = 283,080.09/x - Step 3: Cross multiply
512,536.49x = 707,239.64 × 283,080.09 - Step 4: Simplify right side
512,536.49x = 200,205,461,650.47 - Step 5: Solve for x
x = 200,205,461,650.47/512,536.49 - Step 6: Final answer
x = 390,617.00
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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.