Finding the Fourth Proportional to 744,769.68, 1,027,804.08 and 405,259.92
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Solution
The fourth proportional to 744,769.68, 1,027,804.08 and 405,259.92 is: 559,270.62
Step by Step Solution
- Step 1: Write the proportion equation
744,769.68 : 1,027,804.08 = 405,259.92 : x - Step 2: Convert to fraction form
744,769.68/1,027,804.08 = 405,259.92/x - Step 3: Cross multiply
744,769.68x = 1,027,804.08 × 405,259.92 - Step 4: Simplify right side
744,769.68x = 416,527,799,236.47 - Step 5: Solve for x
x = 416,527,799,236.47/744,769.68 - Step 6: Final answer
x = 559,270.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.