Finding the Fourth Proportional to 699,447.53, 965,237.62 and 397,641.53
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Solution
The fourth proportional to 699,447.53, 965,237.62 and 397,641.53 is: 548,745.32
Step by Step Solution
- Step 1: Write the proportion equation
699,447.53 : 965,237.62 = 397,641.53 : x - Step 2: Convert to fraction form
699,447.53/965,237.62 = 397,641.53/x - Step 3: Cross multiply
699,447.53x = 965,237.62 × 397,641.53 - Step 4: Simplify right side
699,447.53x = 383,818,559,204.17 - Step 5: Solve for x
x = 383,818,559,204.17/699,447.53 - Step 6: Final answer
x = 548,745.32
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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.