Finding the Fourth Proportional to 853,682.44, 1,178,084.88 and 466,497.88
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Solution
The fourth proportional to 853,682.44, 1,178,084.88 and 466,497.88 is: 643,768.78
Step by Step Solution
- Step 1: Write the proportion equation
853,682.44 : 1,178,084.88 = 466,497.88 : x - Step 2: Convert to fraction form
853,682.44/1,178,084.88 = 466,497.88/x - Step 3: Cross multiply
853,682.44x = 1,178,084.88 × 466,497.88 - Step 4: Simplify right side
853,682.44x = 549,574,098,980.05 - Step 5: Solve for x
x = 549,574,098,980.05/853,682.44 - Step 6: Final answer
x = 643,768.78
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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.