Finding the Fourth Proportional to 509,750.72, 703,473.96 and 280,325.44
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Solution
The fourth proportional to 509,750.72, 703,473.96 and 280,325.44 is: 386,858.99
Step by Step Solution
- Step 1: Write the proportion equation
509,750.72 : 703,473.96 = 280,325.44 : x - Step 2: Convert to fraction form
509,750.72/703,473.96 = 280,325.44/x - Step 3: Cross multiply
509,750.72x = 703,473.96 × 280,325.44 - Step 4: Simplify right side
509,750.72x = 197,201,647,365.54 - Step 5: Solve for x
x = 197,201,647,365.54/509,750.72 - Step 6: Final answer
x = 386,858.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.