Finding the Fourth Proportional to 738,570.24, 1,107,683.84 and 289,300.48
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Solution
The fourth proportional to 738,570.24, 1,107,683.84 and 289,300.48 is: 433,883.54
Step by Step Solution
- Step 1: Write the proportion equation
738,570.24 : 1,107,683.84 = 289,300.48 : x - Step 2: Convert to fraction form
738,570.24/1,107,683.84 = 289,300.48/x - Step 3: Cross multiply
738,570.24x = 1,107,683.84 × 289,300.48 - Step 4: Simplify right side
738,570.24x = 320,453,466,600.24 - Step 5: Solve for x
x = 320,453,466,600.24/738,570.24 - Step 6: Final answer
x = 433,883.54
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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.