Finding the Fourth Proportional to 744,798.24, 1,117,053.18 and 289,388.70
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Solution
The fourth proportional to 744,798.24, 1,117,053.18 and 289,388.70 is: 434,027.03
Step by Step Solution
- Step 1: Write the proportion equation
744,798.24 : 1,117,053.18 = 289,388.70 : x - Step 2: Convert to fraction form
744,798.24/1,117,053.18 = 289,388.70/x - Step 3: Cross multiply
744,798.24x = 1,117,053.18 × 289,388.70 - Step 4: Simplify right side
744,798.24x = 323,262,567,591.07 - Step 5: Solve for x
x = 323,262,567,591.07/744,798.24 - Step 6: Final answer
x = 434,027.03
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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.