Finding the Fourth Proportional to 734,724.70, 1,102,507.54 and 285,387.44
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Solution
The fourth proportional to 734,724.70, 1,102,507.54 and 285,387.44 is: 428,244.48
Step by Step Solution
- Step 1: Write the proportion equation
734,724.70 : 1,102,507.54 = 285,387.44 : x - Step 2: Convert to fraction form
734,724.70/1,102,507.54 = 285,387.44/x - Step 3: Cross multiply
734,724.70x = 1,102,507.54 × 285,387.44 - Step 4: Simplify right side
734,724.70x = 314,641,798,195.29 - Step 5: Solve for x
x = 314,641,798,195.29/734,724.70 - Step 6: Final answer
x = 428,244.48
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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.