Finding the Fourth Proportional to 574,757.12, 793,134.72 and 320,103.68
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Solution
The fourth proportional to 574,757.12, 793,134.72 and 320,103.68 is: 441,726.31
Step by Step Solution
- Step 1: Write the proportion equation
574,757.12 : 793,134.72 = 320,103.68 : x - Step 2: Convert to fraction form
574,757.12/793,134.72 = 320,103.68/x - Step 3: Cross multiply
574,757.12x = 793,134.72 × 320,103.68 - Step 4: Simplify right side
574,757.12x = 253,885,342,607.77 - Step 5: Solve for x
x = 253,885,342,607.77/574,757.12 - Step 6: Final answer
x = 441,726.31
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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.