Finding the Fourth Proportional to 853,521.44, 1,177,845.84 and 466,328.54
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Solution
The fourth proportional to 853,521.44, 1,177,845.84 and 466,328.54 is: 643,525.88
Step by Step Solution
- Step 1: Write the proportion equation
853,521.44 : 1,177,845.84 = 466,328.54 : x - Step 2: Convert to fraction form
853,521.44/1,177,845.84 = 466,328.54/x - Step 3: Cross multiply
853,521.44x = 1,177,845.84 × 466,328.54 - Step 4: Simplify right side
853,521.44x = 549,263,135,668.74 - Step 5: Solve for x
x = 549,263,135,668.74/853,521.44 - Step 6: Final answer
x = 643,525.88
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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.