Finding the Fourth Proportional to 529,576.98, 730,821.12 and 287,860.12
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Solution
The fourth proportional to 529,576.98, 730,821.12 and 287,860.12 is: 397,249.62
Step by Step Solution
- Step 1: Write the proportion equation
529,576.98 : 730,821.12 = 287,860.12 : x - Step 2: Convert to fraction form
529,576.98/730,821.12 = 287,860.12/x - Step 3: Cross multiply
529,576.98x = 730,821.12 × 287,860.12 - Step 4: Simplify right side
529,576.98x = 210,374,255,301.73 - Step 5: Solve for x
x = 210,374,255,301.73/529,576.98 - Step 6: Final answer
x = 397,249.62
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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.