Finding the Fourth Proportional to 865,865.21, 1,194,947.03 and 483,922.49
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Solution
The fourth proportional to 865,865.21, 1,194,947.03 and 483,922.49 is: 667,842.68
Step by Step Solution
- Step 1: Write the proportion equation
865,865.21 : 1,194,947.03 = 483,922.49 : x - Step 2: Convert to fraction form
865,865.21/1,194,947.03 = 483,922.49/x - Step 3: Cross multiply
865,865.21x = 1,194,947.03 × 483,922.49 - Step 4: Simplify right side
865,865.21x = 578,261,737,410.78 - Step 5: Solve for x
x = 578,261,737,410.78/865,865.21 - Step 6: Final answer
x = 667,842.68
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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.