Finding the Fourth Proportional to 771,151.01, 1,064,201.55 and 422,322.08
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Solution
The fourth proportional to 771,151.01, 1,064,201.55 and 422,322.08 is: 582,811.68
Step by Step Solution
- Step 1: Write the proportion equation
771,151.01 : 1,064,201.55 = 422,322.08 : x - Step 2: Convert to fraction form
771,151.01/1,064,201.55 = 422,322.08/x - Step 3: Cross multiply
771,151.01x = 1,064,201.55 × 422,322.08 - Step 4: Simplify right side
771,151.01x = 449,435,812,135.22 - Step 5: Solve for x
x = 449,435,812,135.22/771,151.01 - Step 6: Final answer
x = 582,811.68
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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.