Finding the Fourth Proportional to 573,615.41, 791,589.92 and 318,961.13
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Solution
The fourth proportional to 573,615.41, 791,589.92 and 318,961.13 is: 440,166.72
Step by Step Solution
- Step 1: Write the proportion equation
573,615.41 : 791,589.92 = 318,961.13 : x - Step 2: Convert to fraction form
573,615.41/791,589.92 = 318,961.13/x - Step 3: Cross multiply
573,615.41x = 791,589.92 × 318,961.13 - Step 4: Simplify right side
573,615.41x = 252,486,409,827.05 - Step 5: Solve for x
x = 252,486,409,827.05/573,615.41 - Step 6: Final answer
x = 440,166.72
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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.