Finding the Fourth Proportional to 728,555.06, 1,092,170.99 and 254,982.08
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Solution
The fourth proportional to 728,555.06, 1,092,170.99 and 254,982.08 is: 382,241.56
Step by Step Solution
- Step 1: Write the proportion equation
728,555.06 : 1,092,170.99 = 254,982.08 : x - Step 2: Convert to fraction form
728,555.06/1,092,170.99 = 254,982.08/x - Step 3: Cross multiply
728,555.06x = 1,092,170.99 × 254,982.08 - Step 4: Simplify right side
728,555.06x = 278,484,024,010.09 - Step 5: Solve for x
x = 278,484,024,010.09/728,555.06 - Step 6: Final answer
x = 382,241.56
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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.