Finding the Fourth Proportional to 806,876.82, 1,113,497.30 and 444,313.53
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Solution
The fourth proportional to 806,876.82, 1,113,497.30 and 444,313.53 is: 613,156.69
Step by Step Solution
- Step 1: Write the proportion equation
806,876.82 : 1,113,497.30 = 444,313.53 : x - Step 2: Convert to fraction form
806,876.82/1,113,497.30 = 444,313.53/x - Step 3: Cross multiply
806,876.82x = 1,113,497.30 × 444,313.53 - Step 4: Simplify right side
806,876.82x = 494,741,917,119.25 - Step 5: Solve for x
x = 494,741,917,119.25/806,876.82 - Step 6: Final answer
x = 613,156.69
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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.