Finding the Fourth Proportional to 513,675.50, 708,823.92 and 347,765.98
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Solution
The fourth proportional to 513,675.50, 708,823.92 and 347,765.98 is: 479,884.37
Step by Step Solution
- Step 1: Write the proportion equation
513,675.50 : 708,823.92 = 347,765.98 : x - Step 2: Convert to fraction form
513,675.50/708,823.92 = 347,765.98/x - Step 3: Cross multiply
513,675.50x = 708,823.92 × 347,765.98 - Step 4: Simplify right side
513,675.50x = 246,504,845,186.24 - Step 5: Solve for x
x = 246,504,845,186.24/513,675.50 - Step 6: Final answer
x = 479,884.37
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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.