Finding the Fourth Proportional to 747,625.80, 1,121,438.70 and 464,190.60
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Solution
The fourth proportional to 747,625.80, 1,121,438.70 and 464,190.60 is: 696,285.90
Step by Step Solution
- Step 1: Write the proportion equation
747,625.80 : 1,121,438.70 = 464,190.60 : x - Step 2: Convert to fraction form
747,625.80/1,121,438.70 = 464,190.60/x - Step 3: Cross multiply
747,625.80x = 1,121,438.70 × 464,190.60 - Step 4: Simplify right side
747,625.80x = 520,561,303,016.22 - Step 5: Solve for x
x = 520,561,303,016.22/747,625.80 - Step 6: Final answer
x = 696,285.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.