Finding the Fourth Proportional to 512,649.08, 702,317.56 and 493,481.78
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Solution
The fourth proportional to 512,649.08, 702,317.56 and 493,481.78 is: 676,058.80
Step by Step Solution
- Step 1: Write the proportion equation
512,649.08 : 702,317.56 = 493,481.78 : x - Step 2: Convert to fraction form
512,649.08/702,317.56 = 493,481.78/x - Step 3: Cross multiply
512,649.08x = 702,317.56 × 493,481.78 - Step 4: Simplify right side
512,649.08x = 346,580,919,634.06 - Step 5: Solve for x
x = 346,580,919,634.06/512,649.08 - Step 6: Final answer
x = 676,058.80
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.