Finding the Fourth Proportional to 734,602.56, 1,102,141.97 and 360,363.12
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Solution
The fourth proportional to 734,602.56, 1,102,141.97 and 360,363.12 is: 540,661.50
Step by Step Solution
- Step 1: Write the proportion equation
734,602.56 : 1,102,141.97 = 360,363.12 : x - Step 2: Convert to fraction form
734,602.56/1,102,141.97 = 360,363.12/x - Step 3: Cross multiply
734,602.56x = 1,102,141.97 × 360,363.12 - Step 4: Simplify right side
734,602.56x = 397,171,318,992.15 - Step 5: Solve for x
x = 397,171,318,992.15/734,602.56 - Step 6: Final answer
x = 540,661.50
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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.