Finding the Fourth Proportional to 744,951.84, 1,028,013.84 and 405,412.80
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Solution
The fourth proportional to 744,951.84, 1,028,013.84 and 405,412.80 is: 559,458.94
Step by Step Solution
- Step 1: Write the proportion equation
744,951.84 : 1,028,013.84 = 405,412.80 : x - Step 2: Convert to fraction form
744,951.84/1,028,013.84 = 405,412.80/x - Step 3: Cross multiply
744,951.84x = 1,028,013.84 × 405,412.80 - Step 4: Simplify right side
744,951.84x = 416,769,969,313.15 - Step 5: Solve for x
x = 416,769,969,313.15/744,951.84 - Step 6: Final answer
x = 559,458.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.