Finding the Fourth Proportional to 879,266.78, 1,318,211.17 and 347,186.08
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Solution
The fourth proportional to 879,266.78, 1,318,211.17 and 347,186.08 is: 520,507.06
Step by Step Solution
- Step 1: Write the proportion equation
879,266.78 : 1,318,211.17 = 347,186.08 : x - Step 2: Convert to fraction form
879,266.78/1,318,211.17 = 347,186.08/x - Step 3: Cross multiply
879,266.78x = 1,318,211.17 × 347,186.08 - Step 4: Simplify right side
879,266.78x = 457,664,569,504.31 - Step 5: Solve for x
x = 457,664,569,504.31/879,266.78 - Step 6: Final answer
x = 520,507.06
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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.