Finding the Fourth Proportional to 699,447.02, 965,236.93 and 397,641.02
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Solution
The fourth proportional to 699,447.02, 965,236.93 and 397,641.02 is: 548,744.63
Step by Step Solution
- Step 1: Write the proportion equation
699,447.02 : 965,236.93 = 397,641.02 : x - Step 2: Convert to fraction form
699,447.02/965,236.93 = 397,641.02/x - Step 3: Cross multiply
699,447.02x = 965,236.93 × 397,641.02 - Step 4: Simplify right side
699,447.02x = 383,817,800,829.13 - Step 5: Solve for x
x = 383,817,800,829.13/699,447.02 - Step 6: Final answer
x = 548,744.63
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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.