Finding the Fourth Proportional to 857,940.44, 1,184,062.80 and 495,363.70
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Solution
The fourth proportional to 857,940.44, 1,184,062.80 and 495,363.70 is: 683,662.53
Step by Step Solution
- Step 1: Write the proportion equation
857,940.44 : 1,184,062.80 = 495,363.70 : x - Step 2: Convert to fraction form
857,940.44/1,184,062.80 = 495,363.70/x - Step 3: Cross multiply
857,940.44x = 1,184,062.80 × 495,363.70 - Step 4: Simplify right side
857,940.44x = 586,541,729,640.36 - Step 5: Solve for x
x = 586,541,729,640.36/857,940.44 - Step 6: Final answer
x = 683,662.53
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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.