Finding the Fourth Proportional to 744,644.69, 1,027,577.25 and 413,479.99
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Solution
The fourth proportional to 744,644.69, 1,027,577.25 and 413,479.99 is: 570,584.38
Step by Step Solution
- Step 1: Write the proportion equation
744,644.69 : 1,027,577.25 = 413,479.99 : x - Step 2: Convert to fraction form
744,644.69/1,027,577.25 = 413,479.99/x - Step 3: Cross multiply
744,644.69x = 1,027,577.25 × 413,479.99 - Step 4: Simplify right side
744,644.69x = 424,882,628,485.28 - Step 5: Solve for x
x = 424,882,628,485.28/744,644.69 - Step 6: Final answer
x = 570,584.38
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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.