Finding the Fourth Proportional to 560,318.92, 773,261.74 and 318,623.42
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Solution
The fourth proportional to 560,318.92, 773,261.74 and 318,623.42 is: 439,712.63
Step by Step Solution
- Step 1: Write the proportion equation
560,318.92 : 773,261.74 = 318,623.42 : x - Step 2: Convert to fraction form
560,318.92/773,261.74 = 318,623.42/x - Step 3: Cross multiply
560,318.92x = 773,261.74 × 318,623.42 - Step 4: Simplify right side
560,318.92x = 246,379,302,485.38 - Step 5: Solve for x
x = 246,379,302,485.38/560,318.92 - Step 6: Final answer
x = 439,712.63
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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.