Finding the Fourth Proportional to 853,680.44, 1,178,082.12 and 466,495.88
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Solution
The fourth proportional to 853,680.44, 1,178,082.12 and 466,495.88 is: 643,766.02
Step by Step Solution
- Step 1: Write the proportion equation
853,680.44 : 1,178,082.12 = 466,495.88 : x - Step 2: Convert to fraction form
853,680.44/1,178,082.12 = 466,495.88/x - Step 3: Cross multiply
853,680.44x = 1,178,082.12 × 466,495.88 - Step 4: Simplify right side
853,680.44x = 549,570,455,281.67 - Step 5: Solve for x
x = 549,570,455,281.67/853,680.44 - Step 6: Final answer
x = 643,766.02
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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.