Finding the Fourth Proportional to 911,135.49, 1,368,107.82 and 770,824.45
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Solution
The fourth proportional to 911,135.49, 1,368,107.82 and 770,824.45 is: 1,157,424.97
Step by Step Solution
- Step 1: Write the proportion equation
911,135.49 : 1,368,107.82 = 770,824.45 : x - Step 2: Convert to fraction form
911,135.49/1,368,107.82 = 770,824.45/x - Step 3: Cross multiply
911,135.49x = 1,368,107.82 × 770,824.45 - Step 4: Simplify right side
911,135.49x = 1,054,570,959,602.33 - Step 5: Solve for x
x = 1,054,570,959,602.33/911,135.49 - Step 6: Final answer
x = 1,157,424.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.