Finding the Fourth Proportional to 827,407.24, 1,141,837.48 and 459,918.88
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Solution
The fourth proportional to 827,407.24, 1,141,837.48 and 459,918.88 is: 634,696.66
Step by Step Solution
- Step 1: Write the proportion equation
827,407.24 : 1,141,837.48 = 459,918.88 : x - Step 2: Convert to fraction form
827,407.24/1,141,837.48 = 459,918.88/x - Step 3: Cross multiply
827,407.24x = 1,141,837.48 × 459,918.88 - Step 4: Simplify right side
827,407.24x = 525,152,614,943.62 - Step 5: Solve for x
x = 525,152,614,943.62/827,407.24 - Step 6: Final answer
x = 634,696.66
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1.5x scale
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.