Finding the Fourth Proportional to 738,921.07, 1,108,531.73 and 233,560.99
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Solution
The fourth proportional to 738,921.07, 1,108,531.73 and 233,560.99 is: 350,388.94
Step by Step Solution
- Step 1: Write the proportion equation
738,921.07 : 1,108,531.73 = 233,560.99 : x - Step 2: Convert to fraction form
738,921.07/1,108,531.73 = 233,560.99/x - Step 3: Cross multiply
738,921.07x = 1,108,531.73 × 233,560.99 - Step 4: Simplify right side
738,921.07x = 258,909,768,305.21 - Step 5: Solve for x
x = 258,909,768,305.21/738,921.07 - Step 6: Final answer
x = 350,388.94
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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.