Finding the Fourth Proportional to 857,533.64, 1,183,311.07 and 495,074.48
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Solution
The fourth proportional to 857,533.64, 1,183,311.07 and 495,074.48 is: 683,153.50
Step by Step Solution
- Step 1: Write the proportion equation
857,533.64 : 1,183,311.07 = 495,074.48 : x - Step 2: Convert to fraction form
857,533.64/1,183,311.07 = 495,074.48/x - Step 3: Cross multiply
857,533.64x = 1,183,311.07 × 495,074.48 - Step 4: Simplify right side
857,533.64x = 585,827,105,504.25 - Step 5: Solve for x
x = 585,827,105,504.25/857,533.64 - Step 6: Final answer
x = 683,153.50
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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.