Finding the Fourth Proportional to 734,153.70, 1,101,230.55 and 657,171.30
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Solution
The fourth proportional to 734,153.70, 1,101,230.55 and 657,171.30 is: 985,756.95
Step by Step Solution
- Step 1: Write the proportion equation
734,153.70 : 1,101,230.55 = 657,171.30 : x - Step 2: Convert to fraction form
734,153.70/1,101,230.55 = 657,171.30/x - Step 3: Cross multiply
734,153.70x = 1,101,230.55 × 657,171.30 - Step 4: Simplify right side
734,153.70x = 723,697,112,143.22 - Step 5: Solve for x
x = 723,697,112,143.22/734,153.70 - Step 6: Final answer
x = 985,756.95
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1.5x scale
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.