Finding the Fourth Proportional to 744,023.99, 1,114,142.86 and 490,535.43
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Solution
The fourth proportional to 744,023.99, 1,114,142.86 and 490,535.43 is: 734,555.00
Step by Step Solution
- Step 1: Write the proportion equation
744,023.99 : 1,114,142.86 = 490,535.43 : x - Step 2: Convert to fraction form
744,023.99/1,114,142.86 = 490,535.43/x - Step 3: Cross multiply
744,023.99x = 1,114,142.86 × 490,535.43 - Step 4: Simplify right side
744,023.99x = 546,526,543,346.66 - Step 5: Solve for x
x = 546,526,543,346.66/744,023.99 - Step 6: Final answer
x = 734,555.00
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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.