Finding the Fourth Proportional to 910,591.77, 1,256,618.51 and 502,694.18
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Solution
The fourth proportional to 910,591.77, 1,256,618.51 and 502,694.18 is: 693,718.99
Step by Step Solution
- Step 1: Write the proportion equation
910,591.77 : 1,256,618.51 = 502,694.18 : x - Step 2: Convert to fraction form
910,591.77/1,256,618.51 = 502,694.18/x - Step 3: Cross multiply
910,591.77x = 1,256,618.51 × 502,694.18 - Step 4: Simplify right side
910,591.77x = 631,694,805,723.89 - Step 5: Solve for x
x = 631,694,805,723.89/910,591.77 - Step 6: Final answer
x = 693,718.99
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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.