Finding the Fourth Proportional to 808,801.80, 1,213,202.70 and 217,825.80
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Solution
The fourth proportional to 808,801.80, 1,213,202.70 and 217,825.80 is: 326,738.70
Step by Step Solution
- Step 1: Write the proportion equation
808,801.80 : 1,213,202.70 = 217,825.80 : x - Step 2: Convert to fraction form
808,801.80/1,213,202.70 = 217,825.80/x - Step 3: Cross multiply
808,801.80x = 1,213,202.70 × 217,825.80 - Step 4: Simplify right side
808,801.80x = 264,266,848,689.66 - Step 5: Solve for x
x = 264,266,848,689.66/808,801.80 - Step 6: Final answer
x = 326,738.70
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1.5x scale
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.