Finding the Fourth Proportional to 734,132.20, 1,101,198.30 and 657,149.80
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Solution
The fourth proportional to 734,132.20, 1,101,198.30 and 657,149.80 is: 985,724.70
Step by Step Solution
- Step 1: Write the proportion equation
734,132.20 : 1,101,198.30 = 657,149.80 : x - Step 2: Convert to fraction form
734,132.20/1,101,198.30 = 657,149.80/x - Step 3: Cross multiply
734,132.20x = 1,101,198.30 × 657,149.80 - Step 4: Simplify right side
734,132.20x = 723,652,242,605.34 - Step 5: Solve for x
x = 723,652,242,605.34/734,132.20 - Step 6: Final answer
x = 985,724.70
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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.