Finding the Fourth Proportional to 539,273.75, 744,193.09 and 297,558.62
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Solution
The fourth proportional to 539,273.75, 744,193.09 and 297,558.62 is: 410,628.31
Step by Step Solution
- Step 1: Write the proportion equation
539,273.75 : 744,193.09 = 297,558.62 : x - Step 2: Convert to fraction form
539,273.75/744,193.09 = 297,558.62/x - Step 3: Cross multiply
539,273.75x = 744,193.09 × 297,558.62 - Step 4: Simplify right side
539,273.75x = 221,441,068,873.94 - Step 5: Solve for x
x = 221,441,068,873.94/539,273.75 - Step 6: Final answer
x = 410,628.31
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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.