Finding the Fourth Proportional to 879,194.14, 1,318,751.58 and 366,648.21
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Solution
The fourth proportional to 879,194.14, 1,318,751.58 and 366,648.21 is: 549,955.79
Step by Step Solution
- Step 1: Write the proportion equation
879,194.14 : 1,318,751.58 = 366,648.21 : x - Step 2: Convert to fraction form
879,194.14/1,318,751.58 = 366,648.21/x - Step 3: Cross multiply
879,194.14x = 1,318,751.58 × 366,648.21 - Step 4: Simplify right side
879,194.14x = 483,517,907,616.60 - Step 5: Solve for x
x = 483,517,907,616.60/879,194.14 - Step 6: Final answer
x = 549,955.79
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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.